Home / 282,818.34-390,284.88-153,758.16

Finding the Fourth Proportional to 282,818.34, 390,284.88 and 153,758.16

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Solution

The fourth proportional to 282,818.34, 390,284.88 and 153,758.16 is: 212,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,818.34 : 390,284.88 = 153,758.16 : x
  2. Step 2: Convert to fraction form
    282,818.34/390,284.88 = 153,758.16/x
  3. Step 3: Cross multiply
    282,818.34x = 390,284.88 × 153,758.16
  4. Step 4: Simplify right side
    282,818.34x = 60,009,485,024.62
  5. Step 5: Solve for x
    x = 60,009,485,024.62/282,818.34
  6. Step 6: Final answer
    x = 212,183.85

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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.