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Finding the Fourth Proportional to 370,064.01, 555,116.20 and 117,326.22

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Solution

The fourth proportional to 370,064.01, 555,116.20 and 117,326.22 is: 175,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,064.01 : 555,116.20 = 117,326.22 : x
  2. Step 2: Convert to fraction form
    370,064.01/555,116.20 = 117,326.22/x
  3. Step 3: Cross multiply
    370,064.01x = 555,116.20 × 117,326.22
  4. Step 4: Simplify right side
    370,064.01x = 65,129,683,977.38
  5. Step 5: Solve for x
    x = 65,129,683,977.38/370,064.01
  6. Step 6: Final answer
    x = 175,995.73

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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.