Home / 479,270.52-719,054.94-142,312.92

Finding the Fourth Proportional to 479,270.52, 719,054.94 and 142,312.92

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Solution

The fourth proportional to 479,270.52, 719,054.94 and 142,312.92 is: 213,513.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,270.52 : 719,054.94 = 142,312.92 : x
  2. Step 2: Convert to fraction form
    479,270.52/719,054.94 = 142,312.92/x
  3. Step 3: Cross multiply
    479,270.52x = 719,054.94 × 142,312.92
  4. Step 4: Simplify right side
    479,270.52x = 102,330,808,151.83
  5. Step 5: Solve for x
    x = 102,330,808,151.83/479,270.52
  6. Step 6: Final answer
    x = 213,513.67

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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.