Home / 619,320.13-928,981.64-170,047.15

Finding the Fourth Proportional to 619,320.13, 928,981.64 and 170,047.15

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Solution

The fourth proportional to 619,320.13, 928,981.64 and 170,047.15 is: 255,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,320.13 : 928,981.64 = 170,047.15 : x
  2. Step 2: Convert to fraction form
    619,320.13/928,981.64 = 170,047.15/x
  3. Step 3: Cross multiply
    619,320.13x = 928,981.64 × 170,047.15
  4. Step 4: Simplify right side
    619,320.13x = 157,970,678,386.99
  5. Step 5: Solve for x
    x = 157,970,678,386.99/619,320.13
  6. Step 6: Final answer
    x = 255,071.12

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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.