Home / 371,434.08-512,610.75-210,317.52

Finding the Fourth Proportional to 371,434.08, 512,610.75 and 210,317.52

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Solution

The fourth proportional to 371,434.08, 512,610.75 and 210,317.52 is: 290,256.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,434.08 : 512,610.75 = 210,317.52 : x
  2. Step 2: Convert to fraction form
    371,434.08/512,610.75 = 210,317.52/x
  3. Step 3: Cross multiply
    371,434.08x = 512,610.75 × 210,317.52
  4. Step 4: Simplify right side
    371,434.08x = 107,811,021,665.34
  5. Step 5: Solve for x
    x = 107,811,021,665.34/371,434.08
  6. Step 6: Final answer
    x = 290,256.14

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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.