Home / 315,021.04-472,341.52-125,510.62

Finding the Fourth Proportional to 315,021.04, 472,341.52 and 125,510.62

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Solution

The fourth proportional to 315,021.04, 472,341.52 and 125,510.62 is: 188,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,021.04 : 472,341.52 = 125,510.62 : x
  2. Step 2: Convert to fraction form
    315,021.04/472,341.52 = 125,510.62/x
  3. Step 3: Cross multiply
    315,021.04x = 472,341.52 × 125,510.62
  4. Step 4: Simplify right side
    315,021.04x = 59,283,877,026.94
  5. Step 5: Solve for x
    x = 59,283,877,026.94/315,021.04
  6. Step 6: Final answer
    x = 188,190.21

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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.