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Finding the Fourth Proportional to 343,964.91, 514,612.47 and 301,525.77

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Solution

The fourth proportional to 343,964.91, 514,612.47 and 301,525.77 is: 451,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,964.91 : 514,612.47 = 301,525.77 : x
  2. Step 2: Convert to fraction form
    343,964.91/514,612.47 = 301,525.77/x
  3. Step 3: Cross multiply
    343,964.91x = 514,612.47 × 301,525.77
  4. Step 4: Simplify right side
    343,964.91x = 155,168,921,268.35
  5. Step 5: Solve for x
    x = 155,168,921,268.35/343,964.91
  6. Step 6: Final answer
    x = 451,118.46

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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.