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Finding the Fourth Proportional to 155,606.40, 233,409.60 and 141,828.30

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Solution

The fourth proportional to 155,606.40, 233,409.60 and 141,828.30 is: 212,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,606.40 : 233,409.60 = 141,828.30 : x
  2. Step 2: Convert to fraction form
    155,606.40/233,409.60 = 141,828.30/x
  3. Step 3: Cross multiply
    155,606.40x = 233,409.60 × 141,828.30
  4. Step 4: Simplify right side
    155,606.40x = 33,104,086,771.68
  5. Step 5: Solve for x
    x = 33,104,086,771.68/155,606.40
  6. Step 6: Final answer
    x = 212,742.45

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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.