Home / 317,650.95-438,381.32-210,034.35

Finding the Fourth Proportional to 317,650.95, 438,381.32 and 210,034.35

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Solution

The fourth proportional to 317,650.95, 438,381.32 and 210,034.35 is: 289,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,650.95 : 438,381.32 = 210,034.35 : x
  2. Step 2: Convert to fraction form
    317,650.95/438,381.32 = 210,034.35/x
  3. Step 3: Cross multiply
    317,650.95x = 438,381.32 × 210,034.35
  4. Step 4: Simplify right side
    317,650.95x = 92,075,134,548.17
  5. Step 5: Solve for x
    x = 92,075,134,548.17/317,650.95
  6. Step 6: Final answer
    x = 289,862.61

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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.