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Finding the Fourth Proportional to 230,798.52, 346,343.58 and 90,554.04

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Solution

The fourth proportional to 230,798.52, 346,343.58 and 90,554.04 is: 135,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,798.52 : 346,343.58 = 90,554.04 : x
  2. Step 2: Convert to fraction form
    230,798.52/346,343.58 = 90,554.04/x
  3. Step 3: Cross multiply
    230,798.52x = 346,343.58 × 90,554.04
  4. Step 4: Simplify right side
    230,798.52x = 31,362,810,397.06
  5. Step 5: Solve for x
    x = 31,362,810,397.06/230,798.52
  6. Step 6: Final answer
    x = 135,888.26

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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.