Home / 318,532.40-439,574.78-175,292.45

Finding the Fourth Proportional to 318,532.40, 439,574.78 and 175,292.45

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Solution

The fourth proportional to 318,532.40, 439,574.78 and 175,292.45 is: 241,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,532.40 : 439,574.78 = 175,292.45 : x
  2. Step 2: Convert to fraction form
    318,532.40/439,574.78 = 175,292.45/x
  3. Step 3: Cross multiply
    318,532.40x = 439,574.78 × 175,292.45
  4. Step 4: Simplify right side
    318,532.40x = 77,054,138,427.11
  5. Step 5: Solve for x
    x = 77,054,138,427.11/318,532.40
  6. Step 6: Final answer
    x = 241,903.61

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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.