Home / 377,801.02-521,364.36-208,035.28

Finding the Fourth Proportional to 377,801.02, 521,364.36 and 208,035.28

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Solution

The fourth proportional to 377,801.02, 521,364.36 and 208,035.28 is: 287,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,801.02 : 521,364.36 = 208,035.28 : x
  2. Step 2: Convert to fraction form
    377,801.02/521,364.36 = 208,035.28/x
  3. Step 3: Cross multiply
    377,801.02x = 521,364.36 × 208,035.28
  4. Step 4: Simplify right side
    377,801.02x = 108,462,180,614.62
  5. Step 5: Solve for x
    x = 108,462,180,614.62/377,801.02
  6. Step 6: Final answer
    x = 287,088.11

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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.