Home / 371,292.36-556,849.38-171,420.72

Finding the Fourth Proportional to 371,292.36, 556,849.38 and 171,420.72

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Solution

The fourth proportional to 371,292.36, 556,849.38 and 171,420.72 is: 257,089.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,292.36 : 556,849.38 = 171,420.72 : x
  2. Step 2: Convert to fraction form
    371,292.36/556,849.38 = 171,420.72/x
  3. Step 3: Cross multiply
    371,292.36x = 556,849.38 × 171,420.72
  4. Step 4: Simplify right side
    371,292.36x = 95,455,521,651.15
  5. Step 5: Solve for x
    x = 95,455,521,651.15/371,292.36
  6. Step 6: Final answer
    x = 257,089.92

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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.