Home / 272,210.58-408,398.82-139,184.22

Finding the Fourth Proportional to 272,210.58, 408,398.82 and 139,184.22

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Solution

The fourth proportional to 272,210.58, 408,398.82 and 139,184.22 is: 208,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,210.58 : 408,398.82 = 139,184.22 : x
  2. Step 2: Convert to fraction form
    272,210.58/408,398.82 = 139,184.22/x
  3. Step 3: Cross multiply
    272,210.58x = 408,398.82 × 139,184.22
  4. Step 4: Simplify right side
    272,210.58x = 56,842,671,210.62
  5. Step 5: Solve for x
    x = 56,842,671,210.62/272,210.58
  6. Step 6: Final answer
    x = 208,818.74

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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.