Home / 306,656.08-423,185.33-170,687.10

Finding the Fourth Proportional to 306,656.08, 423,185.33 and 170,687.10

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Solution

The fourth proportional to 306,656.08, 423,185.33 and 170,687.10 is: 235,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,656.08 : 423,185.33 = 170,687.10 : x
  2. Step 2: Convert to fraction form
    306,656.08/423,185.33 = 170,687.10/x
  3. Step 3: Cross multiply
    306,656.08x = 423,185.33 × 170,687.10
  4. Step 4: Simplify right side
    306,656.08x = 72,232,277,166.96
  5. Step 5: Solve for x
    x = 72,232,277,166.96/306,656.08
  6. Step 6: Final answer
    x = 235,548.17

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1.5x scale

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.