Home / 379,828.23-524,154.02-210,058.71

Finding the Fourth Proportional to 379,828.23, 524,154.02 and 210,058.71

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Solution

The fourth proportional to 379,828.23, 524,154.02 and 210,058.71 is: 289,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,828.23 : 524,154.02 = 210,058.71 : x
  2. Step 2: Convert to fraction form
    379,828.23/524,154.02 = 210,058.71/x
  3. Step 3: Cross multiply
    379,828.23x = 524,154.02 × 210,058.71
  4. Step 4: Simplify right side
    379,828.23x = 110,103,116,232.22
  5. Step 5: Solve for x
    x = 110,103,116,232.22/379,828.23
  6. Step 6: Final answer
    x = 289,876.07

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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.