Home / 376,320.69-519,322.34-212,974.23

Finding the Fourth Proportional to 376,320.69, 519,322.34 and 212,974.23

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Solution

The fourth proportional to 376,320.69, 519,322.34 and 212,974.23 is: 293,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,320.69 : 519,322.34 = 212,974.23 : x
  2. Step 2: Convert to fraction form
    376,320.69/519,322.34 = 212,974.23/x
  3. Step 3: Cross multiply
    376,320.69x = 519,322.34 × 212,974.23
  4. Step 4: Simplify right side
    376,320.69x = 110,602,275,483.30
  5. Step 5: Solve for x
    x = 110,602,275,483.30/376,320.69
  6. Step 6: Final answer
    x = 293,904.32

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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.