Home / 387,527.36-534,790.60-213,100.62

Finding the Fourth Proportional to 387,527.36, 534,790.60 and 213,100.62

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Solution

The fourth proportional to 387,527.36, 534,790.60 and 213,100.62 is: 294,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,527.36 : 534,790.60 = 213,100.62 : x
  2. Step 2: Convert to fraction form
    387,527.36/534,790.60 = 213,100.62/x
  3. Step 3: Cross multiply
    387,527.36x = 534,790.60 × 213,100.62
  4. Step 4: Simplify right side
    387,527.36x = 113,964,208,430.17
  5. Step 5: Solve for x
    x = 113,964,208,430.17/387,527.36
  6. Step 6: Final answer
    x = 294,080.42

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1.5x scale

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.