Home / 340,977.60-511,466.40-208,117.35

Finding the Fourth Proportional to 340,977.60, 511,466.40 and 208,117.35

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Solution

The fourth proportional to 340,977.60, 511,466.40 and 208,117.35 is: 312,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,977.60 : 511,466.40 = 208,117.35 : x
  2. Step 2: Convert to fraction form
    340,977.60/511,466.40 = 208,117.35/x
  3. Step 3: Cross multiply
    340,977.60x = 511,466.40 × 208,117.35
  4. Step 4: Simplify right side
    340,977.60x = 106,445,031,782.04
  5. Step 5: Solve for x
    x = 106,445,031,782.04/340,977.60
  6. Step 6: Final answer
    x = 312,176.03

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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.