Home / 372,128.04-513,559.13-219,268.13

Finding the Fourth Proportional to 372,128.04, 513,559.13 and 219,268.13

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Solution

The fourth proportional to 372,128.04, 513,559.13 and 219,268.13 is: 302,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,128.04 : 513,559.13 = 219,268.13 : x
  2. Step 2: Convert to fraction form
    372,128.04/513,559.13 = 219,268.13/x
  3. Step 3: Cross multiply
    372,128.04x = 513,559.13 × 219,268.13
  4. Step 4: Simplify right side
    372,128.04x = 112,607,146,415.39
  5. Step 5: Solve for x
    x = 112,607,146,415.39/372,128.04
  6. Step 6: Final answer
    x = 302,603.23

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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.