Home / 375,111.26-562,730.87-138,455.18

Finding the Fourth Proportional to 375,111.26, 562,730.87 and 138,455.18

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Solution

The fourth proportional to 375,111.26, 562,730.87 and 138,455.18 is: 207,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,111.26 : 562,730.87 = 138,455.18 : x
  2. Step 2: Convert to fraction form
    375,111.26/562,730.87 = 138,455.18/x
  3. Step 3: Cross multiply
    375,111.26x = 562,730.87 × 138,455.18
  4. Step 4: Simplify right side
    375,111.26x = 77,913,001,429.89
  5. Step 5: Solve for x
    x = 77,913,001,429.89/375,111.26
  6. Step 6: Final answer
    x = 207,706.38

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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.