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Finding the Fourth Proportional to 152,065.40, 228,119.70 and 46,873.40

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Solution

The fourth proportional to 152,065.40, 228,119.70 and 46,873.40 is: 70,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,065.40 : 228,119.70 = 46,873.40 : x
  2. Step 2: Convert to fraction form
    152,065.40/228,119.70 = 46,873.40/x
  3. Step 3: Cross multiply
    152,065.40x = 228,119.70 × 46,873.40
  4. Step 4: Simplify right side
    152,065.40x = 10,692,745,945.98
  5. Step 5: Solve for x
    x = 10,692,745,945.98/152,065.40
  6. Step 6: Final answer
    x = 70,316.76

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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.