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Finding the Fourth Proportional to 363,077.71, 501,017.47 and 210,127.10

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Solution

The fourth proportional to 363,077.71, 501,017.47 and 210,127.10 is: 289,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,077.71 : 501,017.47 = 210,127.10 : x
  2. Step 2: Convert to fraction form
    363,077.71/501,017.47 = 210,127.10/x
  3. Step 3: Cross multiply
    363,077.71x = 501,017.47 × 210,127.10
  4. Step 4: Simplify right side
    363,077.71x = 105,277,344,990.03
  5. Step 5: Solve for x
    x = 105,277,344,990.03/363,077.71
  6. Step 6: Final answer
    x = 289,958.16

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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.