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Finding the Fourth Proportional to 360,466.91, 540,737.34 and 136,016.21

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Solution

The fourth proportional to 360,466.91, 540,737.34 and 136,016.21 is: 204,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,466.91 : 540,737.34 = 136,016.21 : x
  2. Step 2: Convert to fraction form
    360,466.91/540,737.34 = 136,016.21/x
  3. Step 3: Cross multiply
    360,466.91x = 540,737.34 × 136,016.21
  4. Step 4: Simplify right side
    360,466.91x = 73,549,044,434.06
  5. Step 5: Solve for x
    x = 73,549,044,434.06/360,466.91
  6. Step 6: Final answer
    x = 204,038.27

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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.