Home / 292,200.47-438,570.10-148,207.35

Finding the Fourth Proportional to 292,200.47, 438,570.10 and 148,207.35

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Solution

The fourth proportional to 292,200.47, 438,570.10 and 148,207.35 is: 222,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,200.47 : 438,570.10 = 148,207.35 : x
  2. Step 2: Convert to fraction form
    292,200.47/438,570.10 = 148,207.35/x
  3. Step 3: Cross multiply
    292,200.47x = 438,570.10 × 148,207.35
  4. Step 4: Simplify right side
    292,200.47x = 64,999,311,939.72
  5. Step 5: Solve for x
    x = 64,999,311,939.72/292,200.47
  6. Step 6: Final answer
    x = 222,447.67

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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.