Home / 314,779.32-472,030.02-90,088.56

Finding the Fourth Proportional to 314,779.32, 472,030.02 and 90,088.56

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Solution

The fourth proportional to 314,779.32, 472,030.02 and 90,088.56 is: 135,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,779.32 : 472,030.02 = 90,088.56 : x
  2. Step 2: Convert to fraction form
    314,779.32/472,030.02 = 90,088.56/x
  3. Step 3: Cross multiply
    314,779.32x = 472,030.02 × 90,088.56
  4. Step 4: Simplify right side
    314,779.32x = 42,524,504,778.57
  5. Step 5: Solve for x
    x = 42,524,504,778.57/314,779.32
  6. Step 6: Final answer
    x = 135,093.07

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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.