Home / 356,914.53-492,631.61-242,387.01

Finding the Fourth Proportional to 356,914.53, 492,631.61 and 242,387.01

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Solution

The fourth proportional to 356,914.53, 492,631.61 and 242,387.01 is: 334,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,914.53 : 492,631.61 = 242,387.01 : x
  2. Step 2: Convert to fraction form
    356,914.53/492,631.61 = 242,387.01/x
  3. Step 3: Cross multiply
    356,914.53x = 492,631.61 × 242,387.01
  4. Step 4: Simplify right side
    356,914.53x = 119,407,501,767.45
  5. Step 5: Solve for x
    x = 119,407,501,767.45/356,914.53
  6. Step 6: Final answer
    x = 334,554.89

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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.