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Finding the Fourth Proportional to 330,130.98, 495,270.18 and 119,764.26

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Solution

The fourth proportional to 330,130.98, 495,270.18 and 119,764.26 is: 179,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,130.98 : 495,270.18 = 119,764.26 : x
  2. Step 2: Convert to fraction form
    330,130.98/495,270.18 = 119,764.26/x
  3. Step 3: Cross multiply
    330,130.98x = 495,270.18 × 119,764.26
  4. Step 4: Simplify right side
    330,130.98x = 59,315,666,607.77
  5. Step 5: Solve for x
    x = 59,315,666,607.77/330,130.98
  6. Step 6: Final answer
    x = 179,673.13

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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.