Home / 253,436.20-349,707.36-151,440.10

Finding the Fourth Proportional to 253,436.20, 349,707.36 and 151,440.10

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Solution

The fourth proportional to 253,436.20, 349,707.36 and 151,440.10 is: 208,966.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,436.20 : 349,707.36 = 151,440.10 : x
  2. Step 2: Convert to fraction form
    253,436.20/349,707.36 = 151,440.10/x
  3. Step 3: Cross multiply
    253,436.20x = 349,707.36 × 151,440.10
  4. Step 4: Simplify right side
    253,436.20x = 52,959,717,569.14
  5. Step 5: Solve for x
    x = 52,959,717,569.14/253,436.20
  6. Step 6: Final answer
    x = 208,966.67

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1.5x scale

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.