Home / 308,176.44-425,275.35-172,211.51

Finding the Fourth Proportional to 308,176.44, 425,275.35 and 172,211.51

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Solution

The fourth proportional to 308,176.44, 425,275.35 and 172,211.51 is: 237,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,176.44 : 425,275.35 = 172,211.51 : x
  2. Step 2: Convert to fraction form
    308,176.44/425,275.35 = 172,211.51/x
  3. Step 3: Cross multiply
    308,176.44x = 425,275.35 × 172,211.51
  4. Step 4: Simplify right side
    308,176.44x = 73,237,312,372.75
  5. Step 5: Solve for x
    x = 73,237,312,372.75/308,176.44
  6. Step 6: Final answer
    x = 237,647.34

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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.