Home / 370,399.07-555,594.56-89,916.32

Finding the Fourth Proportional to 370,399.07, 555,594.56 and 89,916.32

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Solution

The fourth proportional to 370,399.07, 555,594.56 and 89,916.32 is: 134,873.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,399.07 : 555,594.56 = 89,916.32 : x
  2. Step 2: Convert to fraction form
    370,399.07/555,594.56 = 89,916.32/x
  3. Step 3: Cross multiply
    370,399.07x = 555,594.56 × 89,916.32
  4. Step 4: Simplify right side
    370,399.07x = 49,957,019,523.81
  5. Step 5: Solve for x
    x = 49,957,019,523.81/370,399.07
  6. Step 6: Final answer
    x = 134,873.50

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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.