Home / 370,154.06-555,452.29-340,039.07

Finding the Fourth Proportional to 370,154.06, 555,452.29 and 340,039.07

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Solution

The fourth proportional to 370,154.06, 555,452.29 and 340,039.07 is: 510,261.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,154.06 : 555,452.29 = 340,039.07 : x
  2. Step 2: Convert to fraction form
    370,154.06/555,452.29 = 340,039.07/x
  3. Step 3: Cross multiply
    370,154.06x = 555,452.29 × 340,039.07
  4. Step 4: Simplify right side
    370,154.06x = 188,875,480,120.97
  5. Step 5: Solve for x
    x = 188,875,480,120.97/370,154.06
  6. Step 6: Final answer
    x = 510,261.81

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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.