Home / 670,025.89-1,005,077.15-190,216.17

Finding the Fourth Proportional to 670,025.89, 1,005,077.15 and 190,216.17

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Solution

The fourth proportional to 670,025.89, 1,005,077.15 and 190,216.17 is: 285,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,025.89 : 1,005,077.15 = 190,216.17 : x
  2. Step 2: Convert to fraction form
    670,025.89/1,005,077.15 = 190,216.17/x
  3. Step 3: Cross multiply
    670,025.89x = 1,005,077.15 × 190,216.17
  4. Step 4: Simplify right side
    670,025.89x = 191,181,926,027.52
  5. Step 5: Solve for x
    x = 191,181,926,027.52/670,025.89
  6. Step 6: Final answer
    x = 285,335.13

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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.