Home / 284,849.60-427,312.80-97,918.40

Finding the Fourth Proportional to 284,849.60, 427,312.80 and 97,918.40

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Solution

The fourth proportional to 284,849.60, 427,312.80 and 97,918.40 is: 146,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,849.60 : 427,312.80 = 97,918.40 : x
  2. Step 2: Convert to fraction form
    284,849.60/427,312.80 = 97,918.40/x
  3. Step 3: Cross multiply
    284,849.60x = 427,312.80 × 97,918.40
  4. Step 4: Simplify right side
    284,849.60x = 41,841,785,675.52
  5. Step 5: Solve for x
    x = 41,841,785,675.52/284,849.60
  6. Step 6: Final answer
    x = 146,890.80

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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.