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Finding the Fourth Proportional to 369,600.40, 554,400.60 and 89,117.65

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Solution

The fourth proportional to 369,600.40, 554,400.60 and 89,117.65 is: 133,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,600.40 : 554,400.60 = 89,117.65 : x
  2. Step 2: Convert to fraction form
    369,600.40/554,400.60 = 89,117.65/x
  3. Step 3: Cross multiply
    369,600.40x = 554,400.60 × 89,117.65
  4. Step 4: Simplify right side
    369,600.40x = 49,406,878,630.59
  5. Step 5: Solve for x
    x = 49,406,878,630.59/369,600.40
  6. Step 6: Final answer
    x = 133,676.48

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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.