Home / 285,830.02-393,455.43-247,050.18

Finding the Fourth Proportional to 285,830.02, 393,455.43 and 247,050.18

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Solution

The fourth proportional to 285,830.02, 393,455.43 and 247,050.18 is: 340,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,830.02 : 393,455.43 = 247,050.18 : x
  2. Step 2: Convert to fraction form
    285,830.02/393,455.43 = 247,050.18/x
  3. Step 3: Cross multiply
    285,830.02x = 393,455.43 × 247,050.18
  4. Step 4: Simplify right side
    285,830.02x = 97,203,234,803.48
  5. Step 5: Solve for x
    x = 97,203,234,803.48/285,830.02
  6. Step 6: Final answer
    x = 340,073.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.