Home / 631,165.02-946,543.05-210,327.90

Finding the Fourth Proportional to 631,165.02, 946,543.05 and 210,327.90

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Solution

The fourth proportional to 631,165.02, 946,543.05 and 210,327.90 is: 315,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,165.02 : 946,543.05 = 210,327.90 : x
  2. Step 2: Convert to fraction form
    631,165.02/946,543.05 = 210,327.90/x
  3. Step 3: Cross multiply
    631,165.02x = 946,543.05 × 210,327.90
  4. Step 4: Simplify right side
    631,165.02x = 199,084,411,966.10
  5. Step 5: Solve for x
    x = 199,084,411,966.10/631,165.02
  6. Step 6: Final answer
    x = 315,423.71

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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.