Home / 371,285.04-512,359.65-201,515.52

Finding the Fourth Proportional to 371,285.04, 512,359.65 and 201,515.52

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Solution

The fourth proportional to 371,285.04, 512,359.65 and 201,515.52 is: 278,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,285.04 : 512,359.65 = 201,515.52 : x
  2. Step 2: Convert to fraction form
    371,285.04/512,359.65 = 201,515.52/x
  3. Step 3: Cross multiply
    371,285.04x = 512,359.65 × 201,515.52
  4. Step 4: Simplify right side
    371,285.04x = 103,248,421,296.77
  5. Step 5: Solve for x
    x = 103,248,421,296.77/371,285.04
  6. Step 6: Final answer
    x = 278,083.98

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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.