Home / 456,442.60-684,726.19-190,140.84

Finding the Fourth Proportional to 456,442.60, 684,726.19 and 190,140.84

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Solution

The fourth proportional to 456,442.60, 684,726.19 and 190,140.84 is: 285,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,442.60 : 684,726.19 = 190,140.84 : x
  2. Step 2: Convert to fraction form
    456,442.60/684,726.19 = 190,140.84/x
  3. Step 3: Cross multiply
    456,442.60x = 684,726.19 × 190,140.84
  4. Step 4: Simplify right side
    456,442.60x = 130,194,412,936.60
  5. Step 5: Solve for x
    x = 130,194,412,936.60/456,442.60
  6. Step 6: Final answer
    x = 285,237.21

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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.