Home / 282,923.34-390,338.55-160,402.57

Finding the Fourth Proportional to 282,923.34, 390,338.55 and 160,402.57

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Solution

The fourth proportional to 282,923.34, 390,338.55 and 160,402.57 is: 221,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,923.34 : 390,338.55 = 160,402.57 : x
  2. Step 2: Convert to fraction form
    282,923.34/390,338.55 = 160,402.57/x
  3. Step 3: Cross multiply
    282,923.34x = 390,338.55 × 160,402.57
  4. Step 4: Simplify right side
    282,923.34x = 62,611,306,590.07
  5. Step 5: Solve for x
    x = 62,611,306,590.07/282,923.34
  6. Step 6: Final answer
    x = 221,301.31

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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.