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Finding the Fourth Proportional to 535,064.10, 738,368.85 and 293,341.37

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Solution

The fourth proportional to 535,064.10, 738,368.85 and 293,341.37 is: 404,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,064.10 : 738,368.85 = 293,341.37 : x
  2. Step 2: Convert to fraction form
    535,064.10/738,368.85 = 293,341.37/x
  3. Step 3: Cross multiply
    535,064.10x = 738,368.85 × 293,341.37
  4. Step 4: Simplify right side
    535,064.10x = 216,594,126,332.48
  5. Step 5: Solve for x
    x = 216,594,126,332.48/535,064.10
  6. Step 6: Final answer
    x = 404,800.33

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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.