Home / 371,730.13-557,875.61-172,190.51

Finding the Fourth Proportional to 371,730.13, 557,875.61 and 172,190.51

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Solution

The fourth proportional to 371,730.13, 557,875.61 and 172,190.51 is: 258,415.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,730.13 : 557,875.61 = 172,190.51 : x
  2. Step 2: Convert to fraction form
    371,730.13/557,875.61 = 172,190.51/x
  3. Step 3: Cross multiply
    371,730.13x = 557,875.61 × 172,190.51
  4. Step 4: Simplify right side
    371,730.13x = 96,060,885,802.46
  5. Step 5: Solve for x
    x = 96,060,885,802.46/371,730.13
  6. Step 6: Final answer
    x = 258,415.66

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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.