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Finding the Fourth Proportional to 341,450.80, 511,009.80 and 299,460.40

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Solution

The fourth proportional to 341,450.80, 511,009.80 and 299,460.40 is: 448,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,450.80 : 511,009.80 = 299,460.40 : x
  2. Step 2: Convert to fraction form
    341,450.80/511,009.80 = 299,460.40/x
  3. Step 3: Cross multiply
    341,450.80x = 511,009.80 × 299,460.40
  4. Step 4: Simplify right side
    341,450.80x = 153,027,199,111.92
  5. Step 5: Solve for x
    x = 153,027,199,111.92/341,450.80
  6. Step 6: Final answer
    x = 448,167.64

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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.