Home / 282,923.44-390,338.72-160,402.72

Finding the Fourth Proportional to 282,923.44, 390,338.72 and 160,402.72

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Solution

The fourth proportional to 282,923.44, 390,338.72 and 160,402.72 is: 221,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,923.44 : 390,338.72 = 160,402.72 : x
  2. Step 2: Convert to fraction form
    282,923.44/390,338.72 = 160,402.72/x
  3. Step 3: Cross multiply
    282,923.44x = 390,338.72 × 160,402.72
  4. Step 4: Simplify right side
    282,923.44x = 62,611,392,409.32
  5. Step 5: Solve for x
    x = 62,611,392,409.32/282,923.44
  6. Step 6: Final answer
    x = 221,301.54

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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.