Home / 348,490.30-521,569.05-243,514.30

Finding the Fourth Proportional to 348,490.30, 521,569.05 and 243,514.30

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Solution

The fourth proportional to 348,490.30, 521,569.05 and 243,514.30 is: 364,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,490.30 : 521,569.05 = 243,514.30 : x
  2. Step 2: Convert to fraction form
    348,490.30/521,569.05 = 243,514.30/x
  3. Step 3: Cross multiply
    348,490.30x = 521,569.05 × 243,514.30
  4. Step 4: Simplify right side
    348,490.30x = 127,009,522,112.42
  5. Step 5: Solve for x
    x = 127,009,522,112.42/348,490.30
  6. Step 6: Final answer
    x = 364,456.41

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1.5x scale

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.