Home / 369,746.78-554,613.48-103,503.22

Finding the Fourth Proportional to 369,746.78, 554,613.48 and 103,503.22

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Solution

The fourth proportional to 369,746.78, 554,613.48 and 103,503.22 is: 155,252.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,746.78 : 554,613.48 = 103,503.22 : x
  2. Step 2: Convert to fraction form
    369,746.78/554,613.48 = 103,503.22/x
  3. Step 3: Cross multiply
    369,746.78x = 554,613.48 × 103,503.22
  4. Step 4: Simplify right side
    369,746.78x = 57,404,279,648.87
  5. Step 5: Solve for x
    x = 57,404,279,648.87/369,746.78
  6. Step 6: Final answer
    x = 155,252.96

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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.