Home / 375,619.17-563,429.67-109,386.15

Finding the Fourth Proportional to 375,619.17, 563,429.67 and 109,386.15

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Solution

The fourth proportional to 375,619.17, 563,429.67 and 109,386.15 is: 164,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,619.17 : 563,429.67 = 109,386.15 : x
  2. Step 2: Convert to fraction form
    375,619.17/563,429.67 = 109,386.15/x
  3. Step 3: Cross multiply
    375,619.17x = 563,429.67 × 109,386.15
  4. Step 4: Simplify right side
    375,619.17x = 61,631,400,489.31
  5. Step 5: Solve for x
    x = 61,631,400,489.31/375,619.17
  6. Step 6: Final answer
    x = 164,079.48

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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.