Home / 289,420.59-433,899.04-137,541.45

Finding the Fourth Proportional to 289,420.59, 433,899.04 and 137,541.45

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Solution

The fourth proportional to 289,420.59, 433,899.04 and 137,541.45 is: 206,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,420.59 : 433,899.04 = 137,541.45 : x
  2. Step 2: Convert to fraction form
    289,420.59/433,899.04 = 137,541.45/x
  3. Step 3: Cross multiply
    289,420.59x = 433,899.04 × 137,541.45
  4. Step 4: Simplify right side
    289,420.59x = 59,679,103,115.21
  5. Step 5: Solve for x
    x = 59,679,103,115.21/289,420.59
  6. Step 6: Final answer
    x = 206,202.00

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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.