Home / 242,840.20-364,588.35-154,266.70

Finding the Fourth Proportional to 242,840.20, 364,588.35 and 154,266.70

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Solution

The fourth proportional to 242,840.20, 364,588.35 and 154,266.70 is: 231,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,840.20 : 364,588.35 = 154,266.70 : x
  2. Step 2: Convert to fraction form
    242,840.20/364,588.35 = 154,266.70/x
  3. Step 3: Cross multiply
    242,840.20x = 364,588.35 × 154,266.70
  4. Step 4: Simplify right side
    242,840.20x = 56,243,841,612.95
  5. Step 5: Solve for x
    x = 56,243,841,612.95/242,840.20
  6. Step 6: Final answer
    x = 231,608.45

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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.