Home / 377,799.08-521,342.61-216,646.34

Finding the Fourth Proportional to 377,799.08, 521,342.61 and 216,646.34

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Solution

The fourth proportional to 377,799.08, 521,342.61 and 216,646.34 is: 298,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,799.08 : 521,342.61 = 216,646.34 : x
  2. Step 2: Convert to fraction form
    377,799.08/521,342.61 = 216,646.34/x
  3. Step 3: Cross multiply
    377,799.08x = 521,342.61 × 216,646.34
  4. Step 4: Simplify right side
    377,799.08x = 112,946,968,342.55
  5. Step 5: Solve for x
    x = 112,946,968,342.55/377,799.08
  6. Step 6: Final answer
    x = 298,960.41

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1.5x scale

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.