Home / 209,746.92-314,498.88-143,267.40

Finding the Fourth Proportional to 209,746.92, 314,498.88 and 143,267.40

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Solution

The fourth proportional to 209,746.92, 314,498.88 and 143,267.40 is: 214,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,746.92 : 314,498.88 = 143,267.40 : x
  2. Step 2: Convert to fraction form
    209,746.92/314,498.88 = 143,267.40/x
  3. Step 3: Cross multiply
    209,746.92x = 314,498.88 × 143,267.40
  4. Step 4: Simplify right side
    209,746.92x = 45,057,436,840.51
  5. Step 5: Solve for x
    x = 45,057,436,840.51/209,746.92
  6. Step 6: Final answer
    x = 214,818.11

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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.