Home / 211,710.41-317,498.70-69,532.25

Finding the Fourth Proportional to 211,710.41, 317,498.70 and 69,532.25

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Solution

The fourth proportional to 211,710.41, 317,498.70 and 69,532.25 is: 104,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,710.41 : 317,498.70 = 69,532.25 : x
  2. Step 2: Convert to fraction form
    211,710.41/317,498.70 = 69,532.25/x
  3. Step 3: Cross multiply
    211,710.41x = 317,498.70 × 69,532.25
  4. Step 4: Simplify right side
    211,710.41x = 22,076,398,983.08
  5. Step 5: Solve for x
    x = 22,076,398,983.08/211,710.41
  6. Step 6: Final answer
    x = 104,276.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.