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Finding the Fourth Proportional to 354,353, 531,483.34 and 101,623.28

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Solution

The fourth proportional to 354,353, 531,483.34 and 101,623.28 is: 152,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,353 : 531,483.34 = 101,623.28 : x
  2. Step 2: Convert to fraction form
    354,353/531,483.34 = 101,623.28/x
  3. Step 3: Cross multiply
    354,353x = 531,483.34 × 101,623.28
  4. Step 4: Simplify right side
    354,353x = 54,011,080,276.16
  5. Step 5: Solve for x
    x = 54,011,080,276.16/354,353
  6. Step 6: Final answer
    x = 152,421.68

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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.