Home / 209,030.08-313,551.08-51,258.40

Finding the Fourth Proportional to 209,030.08, 313,551.08 and 51,258.40

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Solution

The fourth proportional to 209,030.08, 313,551.08 and 51,258.40 is: 76,889.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,030.08 : 313,551.08 = 51,258.40 : x
  2. Step 2: Convert to fraction form
    209,030.08/313,551.08 = 51,258.40/x
  3. Step 3: Cross multiply
    209,030.08x = 313,551.08 × 51,258.40
  4. Step 4: Simplify right side
    209,030.08x = 16,072,126,679.07
  5. Step 5: Solve for x
    x = 16,072,126,679.07/209,030.08
  6. Step 6: Final answer
    x = 76,889.06

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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.