Home / 317,653.95-438,385.46-210,037.35

Finding the Fourth Proportional to 317,653.95, 438,385.46 and 210,037.35

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Solution

The fourth proportional to 317,653.95, 438,385.46 and 210,037.35 is: 289,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,653.95 : 438,385.46 = 210,037.35 : x
  2. Step 2: Convert to fraction form
    317,653.95/438,385.46 = 210,037.35/x
  3. Step 3: Cross multiply
    317,653.95x = 438,385.46 × 210,037.35
  4. Step 4: Simplify right side
    317,653.95x = 92,077,319,246.74
  5. Step 5: Solve for x
    x = 92,077,319,246.74/317,653.95
  6. Step 6: Final answer
    x = 289,866.75

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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.