Home / 216,427.95-324,488.23-155,674.31

Finding the Fourth Proportional to 216,427.95, 324,488.23 and 155,674.31

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Solution

The fourth proportional to 216,427.95, 324,488.23 and 155,674.31 is: 233,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,427.95 : 324,488.23 = 155,674.31 : x
  2. Step 2: Convert to fraction form
    216,427.95/324,488.23 = 155,674.31/x
  3. Step 3: Cross multiply
    216,427.95x = 324,488.23 × 155,674.31
  4. Step 4: Simplify right side
    216,427.95x = 50,514,479,296.74
  5. Step 5: Solve for x
    x = 50,514,479,296.74/216,427.95
  6. Step 6: Final answer
    x = 233,400.90

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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.