Home / 351,271.50-526,907.25-129,655.50

Finding the Fourth Proportional to 351,271.50, 526,907.25 and 129,655.50

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Solution

The fourth proportional to 351,271.50, 526,907.25 and 129,655.50 is: 194,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,271.50 : 526,907.25 = 129,655.50 : x
  2. Step 2: Convert to fraction form
    351,271.50/526,907.25 = 129,655.50/x
  3. Step 3: Cross multiply
    351,271.50x = 526,907.25 × 129,655.50
  4. Step 4: Simplify right side
    351,271.50x = 68,316,422,952.38
  5. Step 5: Solve for x
    x = 68,316,422,952.38/351,271.50
  6. Step 6: Final answer
    x = 194,483.25

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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.