Home / 377,800.50-521,352.45-208,030.26

Finding the Fourth Proportional to 377,800.50, 521,352.45 and 208,030.26

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Solution

The fourth proportional to 377,800.50, 521,352.45 and 208,030.26 is: 287,075.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,800.50 : 521,352.45 = 208,030.26 : x
  2. Step 2: Convert to fraction form
    377,800.50/521,352.45 = 208,030.26/x
  3. Step 3: Cross multiply
    377,800.50x = 521,352.45 × 208,030.26
  4. Step 4: Simplify right side
    377,800.50x = 108,457,085,725.14
  5. Step 5: Solve for x
    x = 108,457,085,725.14/377,800.50
  6. Step 6: Final answer
    x = 287,075.02

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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.