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Finding the Fourth Proportional to 475,512.33, 713,377.85 and 155,674.52

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Solution

The fourth proportional to 475,512.33, 713,377.85 and 155,674.52 is: 233,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,512.33 : 713,377.85 = 155,674.52 : x
  2. Step 2: Convert to fraction form
    475,512.33/713,377.85 = 155,674.52/x
  3. Step 3: Cross multiply
    475,512.33x = 713,377.85 × 155,674.52
  4. Step 4: Simplify right side
    475,512.33x = 111,054,750,032.12
  5. Step 5: Solve for x
    x = 111,054,750,032.12/475,512.33
  6. Step 6: Final answer
    x = 233,547.57

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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.