Home / 356,914.28-492,631.26-242,386.76

Finding the Fourth Proportional to 356,914.28, 492,631.26 and 242,386.76

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Solution

The fourth proportional to 356,914.28, 492,631.26 and 242,386.76 is: 334,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,914.28 : 492,631.26 = 242,386.76 : x
  2. Step 2: Convert to fraction form
    356,914.28/492,631.26 = 242,386.76/x
  3. Step 3: Cross multiply
    356,914.28x = 492,631.26 × 242,386.76
  4. Step 4: Simplify right side
    356,914.28x = 119,407,294,986.12
  5. Step 5: Solve for x
    x = 119,407,294,986.12/356,914.28
  6. Step 6: Final answer
    x = 334,554.55

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1.5x scale

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.