Home / 324,875.20-487,312.80-235,710.40

Finding the Fourth Proportional to 324,875.20, 487,312.80 and 235,710.40

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Solution

The fourth proportional to 324,875.20, 487,312.80 and 235,710.40 is: 353,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,875.20 : 487,312.80 = 235,710.40 : x
  2. Step 2: Convert to fraction form
    324,875.20/487,312.80 = 235,710.40/x
  3. Step 3: Cross multiply
    324,875.20x = 487,312.80 × 235,710.40
  4. Step 4: Simplify right side
    324,875.20x = 114,864,695,013.12
  5. Step 5: Solve for x
    x = 114,864,695,013.12/324,875.20
  6. Step 6: Final answer
    x = 353,565.60

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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.