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Finding the Fourth Proportional to 472,903.46, 652,622.52 and 258,055.31

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Solution

The fourth proportional to 472,903.46, 652,622.52 and 258,055.31 is: 356,124.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,903.46 : 652,622.52 = 258,055.31 : x
  2. Step 2: Convert to fraction form
    472,903.46/652,622.52 = 258,055.31/x
  3. Step 3: Cross multiply
    472,903.46x = 652,622.52 × 258,055.31
  4. Step 4: Simplify right side
    472,903.46x = 168,412,703,448.47
  5. Step 5: Solve for x
    x = 168,412,703,448.47/472,903.46
  6. Step 6: Final answer
    x = 356,124.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.