Home / 274,152.32-378,312.60-153,303.56

Finding the Fourth Proportional to 274,152.32, 378,312.60 and 153,303.56

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Solution

The fourth proportional to 274,152.32, 378,312.60 and 153,303.56 is: 211,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,152.32 : 378,312.60 = 153,303.56 : x
  2. Step 2: Convert to fraction form
    274,152.32/378,312.60 = 153,303.56/x
  3. Step 3: Cross multiply
    274,152.32x = 378,312.60 × 153,303.56
  4. Step 4: Simplify right side
    274,152.32x = 57,996,668,372.86
  5. Step 5: Solve for x
    x = 57,996,668,372.86/274,152.32
  6. Step 6: Final answer
    x = 211,549.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.