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Finding the Fourth Proportional to 273,434.40, 409,973.40 and 245,440.80

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Solution

The fourth proportional to 273,434.40, 409,973.40 and 245,440.80 is: 368,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,434.40 : 409,973.40 = 245,440.80 : x
  2. Step 2: Convert to fraction form
    273,434.40/409,973.40 = 245,440.80/x
  3. Step 3: Cross multiply
    273,434.40x = 409,973.40 × 245,440.80
  4. Step 4: Simplify right side
    273,434.40x = 100,624,199,274.72
  5. Step 5: Solve for x
    x = 100,624,199,274.72/273,434.40
  6. Step 6: Final answer
    x = 368,001.24

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1.5x scale

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.