Home / 268,482.51-370,507.19-147,631.55

Finding the Fourth Proportional to 268,482.51, 370,507.19 and 147,631.55

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Solution

The fourth proportional to 268,482.51, 370,507.19 and 147,631.55 is: 203,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,482.51 : 370,507.19 = 147,631.55 : x
  2. Step 2: Convert to fraction form
    268,482.51/370,507.19 = 147,631.55/x
  3. Step 3: Cross multiply
    268,482.51x = 370,507.19 × 147,631.55
  4. Step 4: Simplify right side
    268,482.51x = 54,698,548,155.15
  5. Step 5: Solve for x
    x = 54,698,548,155.15/268,482.51
  6. Step 6: Final answer
    x = 203,732.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.