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Finding the Fourth Proportional to 370,398, 556,335.06 and 349,508.52

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Solution

The fourth proportional to 370,398, 556,335.06 and 349,508.52 is: 524,959.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,398 : 556,335.06 = 349,508.52 : x
  2. Step 2: Convert to fraction form
    370,398/556,335.06 = 349,508.52/x
  3. Step 3: Cross multiply
    370,398x = 556,335.06 × 349,508.52
  4. Step 4: Simplify right side
    370,398x = 194,443,843,444.71
  5. Step 5: Solve for x
    x = 194,443,843,444.71/370,398
  6. Step 6: Final answer
    x = 524,959.22

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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.