Home / 379,349.29-523,495.91-207,263.58

Finding the Fourth Proportional to 379,349.29, 523,495.91 and 207,263.58

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Solution

The fourth proportional to 379,349.29, 523,495.91 and 207,263.58 is: 286,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,349.29 : 523,495.91 = 207,263.58 : x
  2. Step 2: Convert to fraction form
    379,349.29/523,495.91 = 207,263.58/x
  3. Step 3: Cross multiply
    379,349.29x = 523,495.91 × 207,263.58
  4. Step 4: Simplify right side
    379,349.29x = 108,501,634,977.01
  5. Step 5: Solve for x
    x = 108,501,634,977.01/379,349.29
  6. Step 6: Final answer
    x = 286,020.40

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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.