Home / 282,341.20-422,820.60-134,424.40

Finding the Fourth Proportional to 282,341.20, 422,820.60 and 134,424.40

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Solution

The fourth proportional to 282,341.20, 422,820.60 and 134,424.40 is: 201,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,341.20 : 422,820.60 = 134,424.40 : x
  2. Step 2: Convert to fraction form
    282,341.20/422,820.60 = 134,424.40/x
  3. Step 3: Cross multiply
    282,341.20x = 422,820.60 × 134,424.40
  4. Step 4: Simplify right side
    282,341.20x = 56,837,405,462.64
  5. Step 5: Solve for x
    x = 56,837,405,462.64/282,341.20
  6. Step 6: Final answer
    x = 201,307.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.