Home / 284,503.26-392,641.65-155,461.35

Finding the Fourth Proportional to 284,503.26, 392,641.65 and 155,461.35

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Solution

The fourth proportional to 284,503.26, 392,641.65 and 155,461.35 is: 214,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,503.26 : 392,641.65 = 155,461.35 : x
  2. Step 2: Convert to fraction form
    284,503.26/392,641.65 = 155,461.35/x
  3. Step 3: Cross multiply
    284,503.26x = 392,641.65 × 155,461.35
  4. Step 4: Simplify right side
    284,503.26x = 61,040,600,975.23
  5. Step 5: Solve for x
    x = 61,040,600,975.23/284,503.26
  6. Step 6: Final answer
    x = 214,551.50

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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.