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Finding the Fourth Proportional to 359,940, 539,910 and 97,284

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Solution

The fourth proportional to 359,940, 539,910 and 97,284 is: 145,926

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,940 : 539,910 = 97,284 : x
  2. Step 2: Convert to fraction form
    359,940/539,910 = 97,284/x
  3. Step 3: Cross multiply
    359,940x = 539,910 × 97,284
  4. Step 4: Simplify right side
    359,940x = 52,524,604,440
  5. Step 5: Solve for x
    x = 52,524,604,440/359,940
  6. Step 6: Final answer
    x = 145,926

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.