Home / 284,263.02-392,283.55-156,938.86

Finding the Fourth Proportional to 284,263.02, 392,283.55 and 156,938.86

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Solution

The fourth proportional to 284,263.02, 392,283.55 and 156,938.86 is: 216,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,263.02 : 392,283.55 = 156,938.86 : x
  2. Step 2: Convert to fraction form
    284,263.02/392,283.55 = 156,938.86/x
  3. Step 3: Cross multiply
    284,263.02x = 392,283.55 × 156,938.86
  4. Step 4: Simplify right side
    284,263.02x = 61,564,533,133.75
  5. Step 5: Solve for x
    x = 61,564,533,133.75/284,263.02
  6. Step 6: Final answer
    x = 216,575.95

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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.