Home / 387,055.40-534,118.28-214,984.52

Finding the Fourth Proportional to 387,055.40, 534,118.28 and 214,984.52

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Solution

The fourth proportional to 387,055.40, 534,118.28 and 214,984.52 is: 296,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,055.40 : 534,118.28 = 214,984.52 : x
  2. Step 2: Convert to fraction form
    387,055.40/534,118.28 = 214,984.52/x
  3. Step 3: Cross multiply
    387,055.40x = 534,118.28 × 214,984.52
  4. Step 4: Simplify right side
    387,055.40x = 114,827,158,303.51
  5. Step 5: Solve for x
    x = 114,827,158,303.51/387,055.40
  6. Step 6: Final answer
    x = 296,668.54

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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.