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Finding the Fourth Proportional to 382,302.34, 573,440.40 and 97,995.68

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Solution

The fourth proportional to 382,302.34, 573,440.40 and 97,995.68 is: 146,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,302.34 : 573,440.40 = 97,995.68 : x
  2. Step 2: Convert to fraction form
    382,302.34/573,440.40 = 97,995.68/x
  3. Step 3: Cross multiply
    382,302.34x = 573,440.40 × 97,995.68
  4. Step 4: Simplify right side
    382,302.34x = 56,194,681,937.47
  5. Step 5: Solve for x
    x = 56,194,681,937.47/382,302.34
  6. Step 6: Final answer
    x = 146,990.16

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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.