Home / 342,228.36-513,303.32-89,533.24

Finding the Fourth Proportional to 342,228.36, 513,303.32 and 89,533.24

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Solution

The fourth proportional to 342,228.36, 513,303.32 and 89,533.24 is: 134,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,228.36 : 513,303.32 = 89,533.24 : x
  2. Step 2: Convert to fraction form
    342,228.36/513,303.32 = 89,533.24/x
  3. Step 3: Cross multiply
    342,228.36x = 513,303.32 × 89,533.24
  4. Step 4: Simplify right side
    342,228.36x = 45,957,708,394.85
  5. Step 5: Solve for x
    x = 45,957,708,394.85/342,228.36
  6. Step 6: Final answer
    x = 134,289.60

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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.