Home / 286,281.52-429,437.07-73,051.31

Finding the Fourth Proportional to 286,281.52, 429,437.07 and 73,051.31

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Solution

The fourth proportional to 286,281.52, 429,437.07 and 73,051.31 is: 109,580.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,281.52 : 429,437.07 = 73,051.31 : x
  2. Step 2: Convert to fraction form
    286,281.52/429,437.07 = 73,051.31/x
  3. Step 3: Cross multiply
    286,281.52x = 429,437.07 × 73,051.31
  4. Step 4: Simplify right side
    286,281.52x = 31,370,941,599.65
  5. Step 5: Solve for x
    x = 31,370,941,599.65/286,281.52
  6. Step 6: Final answer
    x = 109,580.74

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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.