Home / 286,348.23-429,537.20-73,118.16

Finding the Fourth Proportional to 286,348.23, 429,537.20 and 73,118.16

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Solution

The fourth proportional to 286,348.23, 429,537.20 and 73,118.16 is: 109,681.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,348.23 : 429,537.20 = 73,118.16 : x
  2. Step 2: Convert to fraction form
    286,348.23/429,537.20 = 73,118.16/x
  3. Step 3: Cross multiply
    286,348.23x = 429,537.20 × 73,118.16
  4. Step 4: Simplify right side
    286,348.23x = 31,406,969,349.96
  5. Step 5: Solve for x
    x = 31,406,969,349.96/286,348.23
  6. Step 6: Final answer
    x = 109,681.03

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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.