Home / 436,254.07-654,389.30-136,728.02

Finding the Fourth Proportional to 436,254.07, 654,389.30 and 136,728.02

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Solution

The fourth proportional to 436,254.07, 654,389.30 and 136,728.02 is: 205,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,254.07 : 654,389.30 = 136,728.02 : x
  2. Step 2: Convert to fraction form
    436,254.07/654,389.30 = 136,728.02/x
  3. Step 3: Cross multiply
    436,254.07x = 654,389.30 × 136,728.02
  4. Step 4: Simplify right side
    436,254.07x = 89,473,352,614.55
  5. Step 5: Solve for x
    x = 89,473,352,614.55/436,254.07
  6. Step 6: Final answer
    x = 205,094.60

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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.