Home / 371,271.68-512,232.96-210,110.72

Finding the Fourth Proportional to 371,271.68, 512,232.96 and 210,110.72

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Solution

The fourth proportional to 371,271.68, 512,232.96 and 210,110.72 is: 289,883.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,271.68 : 512,232.96 = 210,110.72 : x
  2. Step 2: Convert to fraction form
    371,271.68/512,232.96 = 210,110.72/x
  3. Step 3: Cross multiply
    371,271.68x = 512,232.96 × 210,110.72
  4. Step 4: Simplify right side
    371,271.68x = 107,625,636,033.33
  5. Step 5: Solve for x
    x = 107,625,636,033.33/371,271.68
  6. Step 6: Final answer
    x = 289,883.77

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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.