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Finding the Fourth Proportional to 359,719.84, 540,192.08 and 344,673.28

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Solution

The fourth proportional to 359,719.84, 540,192.08 and 344,673.28 is: 517,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,719.84 : 540,192.08 = 344,673.28 : x
  2. Step 2: Convert to fraction form
    359,719.84/540,192.08 = 344,673.28/x
  3. Step 3: Cross multiply
    359,719.84x = 540,192.08 × 344,673.28
  4. Step 4: Simplify right side
    359,719.84x = 186,189,776,043.62
  5. Step 5: Solve for x
    x = 186,189,776,043.62/359,719.84
  6. Step 6: Final answer
    x = 517,596.63

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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.