Home / 370,638.27-556,572.29-231,282.63

Finding the Fourth Proportional to 370,638.27, 556,572.29 and 231,282.63

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Solution

The fourth proportional to 370,638.27, 556,572.29 and 231,282.63 is: 347,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,638.27 : 556,572.29 = 231,282.63 : x
  2. Step 2: Convert to fraction form
    370,638.27/556,572.29 = 231,282.63/x
  3. Step 3: Cross multiply
    370,638.27x = 556,572.29 × 231,282.63
  4. Step 4: Simplify right side
    370,638.27x = 128,725,501,859.91
  5. Step 5: Solve for x
    x = 128,725,501,859.91/370,638.27
  6. Step 6: Final answer
    x = 347,307.64

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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.