Home / 352,659.13-528,988.69-103,341.13

Finding the Fourth Proportional to 352,659.13, 528,988.69 and 103,341.13

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Solution

The fourth proportional to 352,659.13, 528,988.69 and 103,341.13 is: 155,011.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,659.13 : 528,988.69 = 103,341.13 : x
  2. Step 2: Convert to fraction form
    352,659.13/528,988.69 = 103,341.13/x
  3. Step 3: Cross multiply
    352,659.13x = 528,988.69 × 103,341.13
  4. Step 4: Simplify right side
    352,659.13x = 54,666,288,981.82
  5. Step 5: Solve for x
    x = 54,666,288,981.82/352,659.13
  6. Step 6: Final answer
    x = 155,011.69

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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.