Home / 389,589.16-537,547.62-253,608.52

Finding the Fourth Proportional to 389,589.16, 537,547.62 and 253,608.52

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Solution

The fourth proportional to 389,589.16, 537,547.62 and 253,608.52 is: 349,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,589.16 : 537,547.62 = 253,608.52 : x
  2. Step 2: Convert to fraction form
    389,589.16/537,547.62 = 253,608.52/x
  3. Step 3: Cross multiply
    389,589.16x = 537,547.62 × 253,608.52
  4. Step 4: Simplify right side
    389,589.16x = 136,326,656,337.72
  5. Step 5: Solve for x
    x = 136,326,656,337.72/389,589.16
  6. Step 6: Final answer
    x = 349,924.15

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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.