Home / 348,005.10-522,007.65-305,150.70

Finding the Fourth Proportional to 348,005.10, 522,007.65 and 305,150.70

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Solution

The fourth proportional to 348,005.10, 522,007.65 and 305,150.70 is: 457,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,005.10 : 522,007.65 = 305,150.70 : x
  2. Step 2: Convert to fraction form
    348,005.10/522,007.65 = 305,150.70/x
  3. Step 3: Cross multiply
    348,005.10x = 522,007.65 × 305,150.70
  4. Step 4: Simplify right side
    348,005.10x = 159,290,999,802.86
  5. Step 5: Solve for x
    x = 159,290,999,802.86/348,005.10
  6. Step 6: Final answer
    x = 457,726.05

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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.