Home / 357,421.47-492,824.93-266,619.80

Finding the Fourth Proportional to 357,421.47, 492,824.93 and 266,619.80

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Solution

The fourth proportional to 357,421.47, 492,824.93 and 266,619.80 is: 367,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,421.47 : 492,824.93 = 266,619.80 : x
  2. Step 2: Convert to fraction form
    357,421.47/492,824.93 = 266,619.80/x
  3. Step 3: Cross multiply
    357,421.47x = 492,824.93 × 266,619.80
  4. Step 4: Simplify right side
    357,421.47x = 131,396,880,474.39
  5. Step 5: Solve for x
    x = 131,396,880,474.39/357,421.47
  6. Step 6: Final answer
    x = 367,624.48

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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.