Home / 643,031.22-964,547.07-238,362.57

Finding the Fourth Proportional to 643,031.22, 964,547.07 and 238,362.57

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Solution

The fourth proportional to 643,031.22, 964,547.07 and 238,362.57 is: 357,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,031.22 : 964,547.07 = 238,362.57 : x
  2. Step 2: Convert to fraction form
    643,031.22/964,547.07 = 238,362.57/x
  3. Step 3: Cross multiply
    643,031.22x = 964,547.07 × 238,362.57
  4. Step 4: Simplify right side
    643,031.22x = 229,911,918,491.17
  5. Step 5: Solve for x
    x = 229,911,918,491.17/643,031.22
  6. Step 6: Final answer
    x = 357,543.94

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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.