Home / 377,922.16-521,526.32-208,172.08

Finding the Fourth Proportional to 377,922.16, 521,526.32 and 208,172.08

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Solution

The fourth proportional to 377,922.16, 521,526.32 and 208,172.08 is: 287,274.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,922.16 : 521,526.32 = 208,172.08 : x
  2. Step 2: Convert to fraction form
    377,922.16/521,526.32 = 208,172.08/x
  3. Step 3: Cross multiply
    377,922.16x = 521,526.32 × 208,172.08
  4. Step 4: Simplify right side
    377,922.16x = 108,567,218,809.15
  5. Step 5: Solve for x
    x = 108,567,218,809.15/377,922.16
  6. Step 6: Final answer
    x = 287,274.02

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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.