Home / 280,148.63-386,606.25-152,826.89

Finding the Fourth Proportional to 280,148.63, 386,606.25 and 152,826.89

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Solution

The fourth proportional to 280,148.63, 386,606.25 and 152,826.89 is: 210,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,148.63 : 386,606.25 = 152,826.89 : x
  2. Step 2: Convert to fraction form
    280,148.63/386,606.25 = 152,826.89/x
  3. Step 3: Cross multiply
    280,148.63x = 386,606.25 × 152,826.89
  4. Step 4: Simplify right side
    280,148.63x = 59,083,828,909.03
  5. Step 5: Solve for x
    x = 59,083,828,909.03/280,148.63
  6. Step 6: Final answer
    x = 210,901.73

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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.