Home / 369,779.25-554,983.61-145,296.66

Finding the Fourth Proportional to 369,779.25, 554,983.61 and 145,296.66

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Solution

The fourth proportional to 369,779.25, 554,983.61 and 145,296.66 is: 218,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,779.25 : 554,983.61 = 145,296.66 : x
  2. Step 2: Convert to fraction form
    369,779.25/554,983.61 = 145,296.66/x
  3. Step 3: Cross multiply
    369,779.25x = 554,983.61 × 145,296.66
  4. Step 4: Simplify right side
    369,779.25x = 80,637,264,887.74
  5. Step 5: Solve for x
    x = 80,637,264,887.74/369,779.25
  6. Step 6: Final answer
    x = 218,068.66

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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.