Home / 217,025.05-326,036.49-153,130.25

Finding the Fourth Proportional to 217,025.05, 326,036.49 and 153,130.25

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Solution

The fourth proportional to 217,025.05, 326,036.49 and 153,130.25 is: 230,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,025.05 : 326,036.49 = 153,130.25 : x
  2. Step 2: Convert to fraction form
    217,025.05/326,036.49 = 153,130.25/x
  3. Step 3: Cross multiply
    217,025.05x = 326,036.49 × 153,130.25
  4. Step 4: Simplify right side
    217,025.05x = 49,926,049,222.82
  5. Step 5: Solve for x
    x = 49,926,049,222.82/217,025.05
  6. Step 6: Final answer
    x = 230,047.40

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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.