Home / 242,827.36-363,554.16-128,715.16

Finding the Fourth Proportional to 242,827.36, 363,554.16 and 128,715.16

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Solution

The fourth proportional to 242,827.36, 363,554.16 and 128,715.16 is: 192,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,827.36 : 363,554.16 = 128,715.16 : x
  2. Step 2: Convert to fraction form
    242,827.36/363,554.16 = 128,715.16/x
  3. Step 3: Cross multiply
    242,827.36x = 363,554.16 × 128,715.16
  4. Step 4: Simplify right side
    242,827.36x = 46,794,931,873.07
  5. Step 5: Solve for x
    x = 46,794,931,873.07/242,827.36
  6. Step 6: Final answer
    x = 192,708.65

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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.