Home / 370,724.30-556,054.05-121,406.30

Finding the Fourth Proportional to 370,724.30, 556,054.05 and 121,406.30

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Solution

The fourth proportional to 370,724.30, 556,054.05 and 121,406.30 is: 182,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,724.30 : 556,054.05 = 121,406.30 : x
  2. Step 2: Convert to fraction form
    370,724.30/556,054.05 = 121,406.30/x
  3. Step 3: Cross multiply
    370,724.30x = 556,054.05 × 121,406.30
  4. Step 4: Simplify right side
    370,724.30x = 67,508,464,810.52
  5. Step 5: Solve for x
    x = 67,508,464,810.52/370,724.30
  6. Step 6: Final answer
    x = 182,098.84

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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.