Home / 310,196.93-427,962.75-202,829.81

Finding the Fourth Proportional to 310,196.93, 427,962.75 and 202,829.81

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Solution

The fourth proportional to 310,196.93, 427,962.75 and 202,829.81 is: 279,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,196.93 : 427,962.75 = 202,829.81 : x
  2. Step 2: Convert to fraction form
    310,196.93/427,962.75 = 202,829.81/x
  3. Step 3: Cross multiply
    310,196.93x = 427,962.75 × 202,829.81
  4. Step 4: Simplify right side
    310,196.93x = 86,803,602,734.62
  5. Step 5: Solve for x
    x = 86,803,602,734.62/310,196.93
  6. Step 6: Final answer
    x = 279,833.86

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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.