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Finding the Fourth Proportional to 365,875.50, 548,810.18 and 285,980.67

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Solution

The fourth proportional to 365,875.50, 548,810.18 and 285,980.67 is: 428,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,875.50 : 548,810.18 = 285,980.67 : x
  2. Step 2: Convert to fraction form
    365,875.50/548,810.18 = 285,980.67/x
  3. Step 3: Cross multiply
    365,875.50x = 548,810.18 × 285,980.67
  4. Step 4: Simplify right side
    365,875.50x = 156,949,101,549.32
  5. Step 5: Solve for x
    x = 156,949,101,549.32/365,875.50
  6. Step 6: Final answer
    x = 428,968.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.