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Finding the Fourth Proportional to 359,868.60, 539,803.58 and 93,628.67

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Solution

The fourth proportional to 359,868.60, 539,803.58 and 93,628.67 is: 140,443.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,868.60 : 539,803.58 = 93,628.67 : x
  2. Step 2: Convert to fraction form
    359,868.60/539,803.58 = 93,628.67/x
  3. Step 3: Cross multiply
    359,868.60x = 539,803.58 × 93,628.67
  4. Step 4: Simplify right side
    359,868.60x = 50,541,088,089.48
  5. Step 5: Solve for x
    x = 50,541,088,089.48/359,868.60
  6. Step 6: Final answer
    x = 140,443.17

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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.