Home / 369,659.48-554,524.14-103,420.04

Finding the Fourth Proportional to 369,659.48, 554,524.14 and 103,420.04

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Solution

The fourth proportional to 369,659.48, 554,524.14 and 103,420.04 is: 155,139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,659.48 : 554,524.14 = 103,420.04 : x
  2. Step 2: Convert to fraction form
    369,659.48/554,524.14 = 103,420.04/x
  3. Step 3: Cross multiply
    369,659.48x = 554,524.14 × 103,420.04
  4. Step 4: Simplify right side
    369,659.48x = 57,348,908,739.77
  5. Step 5: Solve for x
    x = 57,348,908,739.77/369,659.48
  6. Step 6: Final answer
    x = 155,139.83

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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.