Home / 347,968.24-521,952.40-85,312.24

Finding the Fourth Proportional to 347,968.24, 521,952.40 and 85,312.24

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Solution

The fourth proportional to 347,968.24, 521,952.40 and 85,312.24 is: 127,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,968.24 : 521,952.40 = 85,312.24 : x
  2. Step 2: Convert to fraction form
    347,968.24/521,952.40 = 85,312.24/x
  3. Step 3: Cross multiply
    347,968.24x = 521,952.40 × 85,312.24
  4. Step 4: Simplify right side
    347,968.24x = 44,528,928,417.38
  5. Step 5: Solve for x
    x = 44,528,928,417.38/347,968.24
  6. Step 6: Final answer
    x = 127,968.37

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1.5x scale

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.