Home / 549,156.51-757,748.79-307,449.27

Finding the Fourth Proportional to 549,156.51, 757,748.79 and 307,449.27

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Solution

The fourth proportional to 549,156.51, 757,748.79 and 307,449.27 is: 424,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,156.51 : 757,748.79 = 307,449.27 : x
  2. Step 2: Convert to fraction form
    549,156.51/757,748.79 = 307,449.27/x
  3. Step 3: Cross multiply
    549,156.51x = 757,748.79 × 307,449.27
  4. Step 4: Simplify right side
    549,156.51x = 232,969,312,328.88
  5. Step 5: Solve for x
    x = 232,969,312,328.88/549,156.51
  6. Step 6: Final answer
    x = 424,231.18

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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.