Home / 326,607.42-489,785.16-126,901.50

Finding the Fourth Proportional to 326,607.42, 489,785.16 and 126,901.50

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Solution

The fourth proportional to 326,607.42, 489,785.16 and 126,901.50 is: 190,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,607.42 : 489,785.16 = 126,901.50 : x
  2. Step 2: Convert to fraction form
    326,607.42/489,785.16 = 126,901.50/x
  3. Step 3: Cross multiply
    326,607.42x = 489,785.16 × 126,901.50
  4. Step 4: Simplify right side
    326,607.42x = 62,154,471,481.74
  5. Step 5: Solve for x
    x = 62,154,471,481.74/326,607.42
  6. Step 6: Final answer
    x = 190,303.31

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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.