Home / 280,271.96-386,783.46-152,955.76

Finding the Fourth Proportional to 280,271.96, 386,783.46 and 152,955.76

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Solution

The fourth proportional to 280,271.96, 386,783.46 and 152,955.76 is: 211,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,271.96 : 386,783.46 = 152,955.76 : x
  2. Step 2: Convert to fraction form
    280,271.96/386,783.46 = 152,955.76/x
  3. Step 3: Cross multiply
    280,271.96x = 386,783.46 × 152,955.76
  4. Step 4: Simplify right side
    280,271.96x = 59,160,758,079.73
  5. Step 5: Solve for x
    x = 59,160,758,079.73/280,271.96
  6. Step 6: Final answer
    x = 211,083.40

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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.