Home / 152,215.20-228,322.80-47,066.40

Finding the Fourth Proportional to 152,215.20, 228,322.80 and 47,066.40

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Solution

The fourth proportional to 152,215.20, 228,322.80 and 47,066.40 is: 70,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,215.20 : 228,322.80 = 47,066.40 : x
  2. Step 2: Convert to fraction form
    152,215.20/228,322.80 = 47,066.40/x
  3. Step 3: Cross multiply
    152,215.20x = 228,322.80 × 47,066.40
  4. Step 4: Simplify right side
    152,215.20x = 10,746,332,233.92
  5. Step 5: Solve for x
    x = 10,746,332,233.92/152,215.20
  6. Step 6: Final answer
    x = 70,599.60

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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.