Home / 326,505.81-489,535.13-166,271.58

Finding the Fourth Proportional to 326,505.81, 489,535.13 and 166,271.58

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Solution

The fourth proportional to 326,505.81, 489,535.13 and 166,271.58 is: 249,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,505.81 : 489,535.13 = 166,271.58 : x
  2. Step 2: Convert to fraction form
    326,505.81/489,535.13 = 166,271.58/x
  3. Step 3: Cross multiply
    326,505.81x = 489,535.13 × 166,271.58
  4. Step 4: Simplify right side
    326,505.81x = 81,395,779,530.61
  5. Step 5: Solve for x
    x = 81,395,779,530.61/326,505.81
  6. Step 6: Final answer
    x = 249,293.51

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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.