Home / 401,282.93-553,827-248,370.15

Finding the Fourth Proportional to 401,282.93, 553,827 and 248,370.15

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Solution

The fourth proportional to 401,282.93, 553,827 and 248,370.15 is: 342,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,282.93 : 553,827 = 248,370.15 : x
  2. Step 2: Convert to fraction form
    401,282.93/553,827 = 248,370.15/x
  3. Step 3: Cross multiply
    401,282.93x = 553,827 × 248,370.15
  4. Step 4: Simplify right side
    401,282.93x = 137,554,095,064.05
  5. Step 5: Solve for x
    x = 137,554,095,064.05/401,282.93
  6. Step 6: Final answer
    x = 342,785.81

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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.