Home / 371,756.13-557,320.66-161,235.51

Finding the Fourth Proportional to 371,756.13, 557,320.66 and 161,235.51

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Solution

The fourth proportional to 371,756.13, 557,320.66 and 161,235.51 is: 241,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,756.13 : 557,320.66 = 161,235.51 : x
  2. Step 2: Convert to fraction form
    371,756.13/557,320.66 = 161,235.51/x
  3. Step 3: Cross multiply
    371,756.13x = 557,320.66 × 161,235.51
  4. Step 4: Simplify right side
    371,756.13x = 89,859,880,848.64
  5. Step 5: Solve for x
    x = 89,859,880,848.64/371,756.13
  6. Step 6: Final answer
    x = 241,717.28

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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.