Home / 284,931.10-427,435.05-97,999.90

Finding the Fourth Proportional to 284,931.10, 427,435.05 and 97,999.90

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Solution

The fourth proportional to 284,931.10, 427,435.05 and 97,999.90 is: 147,013.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,931.10 : 427,435.05 = 97,999.90 : x
  2. Step 2: Convert to fraction form
    284,931.10/427,435.05 = 97,999.90/x
  3. Step 3: Cross multiply
    284,931.10x = 427,435.05 × 97,999.90
  4. Step 4: Simplify right side
    284,931.10x = 41,888,592,156.50
  5. Step 5: Solve for x
    x = 41,888,592,156.50/284,931.10
  6. Step 6: Final answer
    x = 147,013.06

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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.