Home / 371,558.29-512,782.07-210,442.00

Finding the Fourth Proportional to 371,558.29, 512,782.07 and 210,442.00

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Solution

The fourth proportional to 371,558.29, 512,782.07 and 210,442.00 is: 290,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,558.29 : 512,782.07 = 210,442.00 : x
  2. Step 2: Convert to fraction form
    371,558.29/512,782.07 = 210,442.00/x
  3. Step 3: Cross multiply
    371,558.29x = 512,782.07 × 210,442.00
  4. Step 4: Simplify right side
    371,558.29x = 107,910,885,130.79
  5. Step 5: Solve for x
    x = 107,910,885,130.79/371,558.29
  6. Step 6: Final answer
    x = 290,427.87

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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.