Home / 377,925.10-521,536.64-208,159.22

Finding the Fourth Proportional to 377,925.10, 521,536.64 and 208,159.22

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Solution

The fourth proportional to 377,925.10, 521,536.64 and 208,159.22 is: 287,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,925.10 : 521,536.64 = 208,159.22 : x
  2. Step 2: Convert to fraction form
    377,925.10/521,536.64 = 208,159.22/x
  3. Step 3: Cross multiply
    377,925.10x = 521,536.64 × 208,159.22
  4. Step 4: Simplify right side
    377,925.10x = 108,562,660,183.82
  5. Step 5: Solve for x
    x = 108,562,660,183.82/377,925.10
  6. Step 6: Final answer
    x = 287,259.72

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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.