Home / 287,631.45-430,955.10-182,327.40

Finding the Fourth Proportional to 287,631.45, 430,955.10 and 182,327.40

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Solution

The fourth proportional to 287,631.45, 430,955.10 and 182,327.40 is: 273,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,631.45 : 430,955.10 = 182,327.40 : x
  2. Step 2: Convert to fraction form
    287,631.45/430,955.10 = 182,327.40/x
  3. Step 3: Cross multiply
    287,631.45x = 430,955.10 × 182,327.40
  4. Step 4: Simplify right side
    287,631.45x = 78,574,922,899.74
  5. Step 5: Solve for x
    x = 78,574,922,899.74/287,631.45
  6. Step 6: Final answer
    x = 273,179.18

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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.