Home / 349,439.64-524,431.62-243,569.40

Finding the Fourth Proportional to 349,439.64, 524,431.62 and 243,569.40

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Solution

The fourth proportional to 349,439.64, 524,431.62 and 243,569.40 is: 365,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,439.64 : 524,431.62 = 243,569.40 : x
  2. Step 2: Convert to fraction form
    349,439.64/524,431.62 = 243,569.40/x
  3. Step 3: Cross multiply
    349,439.64x = 524,431.62 × 243,569.40
  4. Step 4: Simplify right side
    349,439.64x = 127,735,495,024.43
  5. Step 5: Solve for x
    x = 127,735,495,024.43/349,439.64
  6. Step 6: Final answer
    x = 365,543.80

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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.