Home / 374,696.38-517,068.19-213,603.36

Finding the Fourth Proportional to 374,696.38, 517,068.19 and 213,603.36

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Solution

The fourth proportional to 374,696.38, 517,068.19 and 213,603.36 is: 294,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,696.38 : 517,068.19 = 213,603.36 : x
  2. Step 2: Convert to fraction form
    374,696.38/517,068.19 = 213,603.36/x
  3. Step 3: Cross multiply
    374,696.38x = 517,068.19 × 213,603.36
  4. Step 4: Simplify right side
    374,696.38x = 110,447,502,733.12
  5. Step 5: Solve for x
    x = 110,447,502,733.12/374,696.38
  6. Step 6: Final answer
    x = 294,765.33

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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.