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Finding the Fourth Proportional to 349,520, 524,146.88 and 124,838.40

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Solution

The fourth proportional to 349,520, 524,146.88 and 124,838.40 is: 187,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,520 : 524,146.88 = 124,838.40 : x
  2. Step 2: Convert to fraction form
    349,520/524,146.88 = 124,838.40/x
  3. Step 3: Cross multiply
    349,520x = 524,146.88 × 124,838.40
  4. Step 4: Simplify right side
    349,520x = 65,433,657,864.19
  5. Step 5: Solve for x
    x = 65,433,657,864.19/349,520
  6. Step 6: Final answer
    x = 187,210.05

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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.