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Finding the Fourth Proportional to 349,337.10, 524,005.65 and 243,048.90

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Solution

The fourth proportional to 349,337.10, 524,005.65 and 243,048.90 is: 364,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,337.10 : 524,005.65 = 243,048.90 : x
  2. Step 2: Convert to fraction form
    349,337.10/524,005.65 = 243,048.90/x
  3. Step 3: Cross multiply
    349,337.10x = 524,005.65 × 243,048.90
  4. Step 4: Simplify right side
    349,337.10x = 127,358,996,826.29
  5. Step 5: Solve for x
    x = 127,358,996,826.29/349,337.10
  6. Step 6: Final answer
    x = 364,573.35

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1.5x scale

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.