Home / 282,319.35-423,105.21-207,087.23

Finding the Fourth Proportional to 282,319.35, 423,105.21 and 207,087.23

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Solution

The fourth proportional to 282,319.35, 423,105.21 and 207,087.23 is: 310,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,319.35 : 423,105.21 = 207,087.23 : x
  2. Step 2: Convert to fraction form
    282,319.35/423,105.21 = 207,087.23/x
  3. Step 3: Cross multiply
    282,319.35x = 423,105.21 × 207,087.23
  4. Step 4: Simplify right side
    282,319.35x = 87,619,683,821.94
  5. Step 5: Solve for x
    x = 87,619,683,821.94/282,319.35
  6. Step 6: Final answer
    x = 310,356.64

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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.