Home / 282,971.47-423,958.95-266,114.82

Finding the Fourth Proportional to 282,971.47, 423,958.95 and 266,114.82

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Solution

The fourth proportional to 282,971.47, 423,958.95 and 266,114.82 is: 398,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,971.47 : 423,958.95 = 266,114.82 : x
  2. Step 2: Convert to fraction form
    282,971.47/423,958.95 = 266,114.82/x
  3. Step 3: Cross multiply
    282,971.47x = 423,958.95 × 266,114.82
  4. Step 4: Simplify right side
    282,971.47x = 112,821,759,666.64
  5. Step 5: Solve for x
    x = 112,821,759,666.64/282,971.47
  6. Step 6: Final answer
    x = 398,703.66

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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.