Home / 287,701.59-397,028.23-160,377.19

Finding the Fourth Proportional to 287,701.59, 397,028.23 and 160,377.19

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Solution

The fourth proportional to 287,701.59, 397,028.23 and 160,377.19 is: 221,320.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,701.59 : 397,028.23 = 160,377.19 : x
  2. Step 2: Convert to fraction form
    287,701.59/397,028.23 = 160,377.19/x
  3. Step 3: Cross multiply
    287,701.59x = 397,028.23 × 160,377.19
  4. Step 4: Simplify right side
    287,701.59x = 63,674,270,484.56
  5. Step 5: Solve for x
    x = 63,674,270,484.56/287,701.59
  6. Step 6: Final answer
    x = 221,320.53

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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.