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Finding the Fourth Proportional to 245,471.16, 367,829.58 and 145,432.32

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Solution

The fourth proportional to 245,471.16, 367,829.58 and 145,432.32 is: 217,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471.16 : 367,829.58 = 145,432.32 : x
  2. Step 2: Convert to fraction form
    245,471.16/367,829.58 = 145,432.32/x
  3. Step 3: Cross multiply
    245,471.16x = 367,829.58 × 145,432.32
  4. Step 4: Simplify right side
    245,471.16x = 53,494,309,184.03
  5. Step 5: Solve for x
    x = 53,494,309,184.03/245,471.16
  6. Step 6: Final answer
    x = 217,925.03

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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.