Home / 346,007.89-518,952-156,424.18

Finding the Fourth Proportional to 346,007.89, 518,952 and 156,424.18

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Solution

The fourth proportional to 346,007.89, 518,952 and 156,424.18 is: 234,609.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,007.89 : 518,952 = 156,424.18 : x
  2. Step 2: Convert to fraction form
    346,007.89/518,952 = 156,424.18/x
  3. Step 3: Cross multiply
    346,007.89x = 518,952 × 156,424.18
  4. Step 4: Simplify right side
    346,007.89x = 81,176,641,059.36
  5. Step 5: Solve for x
    x = 81,176,641,059.36/346,007.89
  6. Step 6: Final answer
    x = 234,609.22

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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.