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Finding the Fourth Proportional to 357,384, 493,215.04 and 236,314.88

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Solution

The fourth proportional to 357,384, 493,215.04 and 236,314.88 is: 326,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,384 : 493,215.04 = 236,314.88 : x
  2. Step 2: Convert to fraction form
    357,384/493,215.04 = 236,314.88/x
  3. Step 3: Cross multiply
    357,384x = 493,215.04 × 236,314.88
  4. Step 4: Simplify right side
    357,384x = 116,554,052,991.80
  5. Step 5: Solve for x
    x = 116,554,052,991.80/357,384
  6. Step 6: Final answer
    x = 326,131.14

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1.5x scale

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.