Home / 642,727.55-963,897.15-193,329.08

Finding the Fourth Proportional to 642,727.55, 963,897.15 and 193,329.08

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Solution

The fourth proportional to 642,727.55, 963,897.15 and 193,329.08 is: 289,935.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,727.55 : 963,897.15 = 193,329.08 : x
  2. Step 2: Convert to fraction form
    642,727.55/963,897.15 = 193,329.08/x
  3. Step 3: Cross multiply
    642,727.55x = 963,897.15 × 193,329.08
  4. Step 4: Simplify right side
    642,727.55x = 186,349,349,224.12
  5. Step 5: Solve for x
    x = 186,349,349,224.12/642,727.55
  6. Step 6: Final answer
    x = 289,935.22

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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.