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Finding the Fourth Proportional to 985,301, 1,478,165.88 and 302,188.22

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Solution

The fourth proportional to 985,301, 1,478,165.88 and 302,188.22 is: 453,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,301 : 1,478,165.88 = 302,188.22 : x
  2. Step 2: Convert to fraction form
    985,301/1,478,165.88 = 302,188.22/x
  3. Step 3: Cross multiply
    985,301x = 1,478,165.88 × 302,188.22
  4. Step 4: Simplify right side
    985,301x = 446,684,316,141.93
  5. Step 5: Solve for x
    x = 446,684,316,141.93/985,301
  6. Step 6: Final answer
    x = 453,348.08

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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.