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Finding the Fourth Proportional to 377,316.72, 520,735.23 and 216,193.14

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Solution

The fourth proportional to 377,316.72, 520,735.23 and 216,193.14 is: 298,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,316.72 : 520,735.23 = 216,193.14 : x
  2. Step 2: Convert to fraction form
    377,316.72/520,735.23 = 216,193.14/x
  3. Step 3: Cross multiply
    377,316.72x = 520,735.23 × 216,193.14
  4. Step 4: Simplify right side
    377,316.72x = 112,579,384,482.32
  5. Step 5: Solve for x
    x = 112,579,384,482.32/377,316.72
  6. Step 6: Final answer
    x = 298,368.40

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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.