Home / 387,036.63-534,092.81-214,965.59

Finding the Fourth Proportional to 387,036.63, 534,092.81 and 214,965.59

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Solution

The fourth proportional to 387,036.63, 534,092.81 and 214,965.59 is: 296,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,036.63 : 534,092.81 = 214,965.59 : x
  2. Step 2: Convert to fraction form
    387,036.63/534,092.81 = 214,965.59/x
  3. Step 3: Cross multiply
    387,036.63x = 534,092.81 × 214,965.59
  4. Step 4: Simplify right side
    387,036.63x = 114,811,572,271.12
  5. Step 5: Solve for x
    x = 114,811,572,271.12/387,036.63
  6. Step 6: Final answer
    x = 296,642.65

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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.