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Finding the Fourth Proportional to 431,479.08, 595,416.85 and 237,880.37

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Solution

The fourth proportional to 431,479.08, 595,416.85 and 237,880.37 is: 328,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,479.08 : 595,416.85 = 237,880.37 : x
  2. Step 2: Convert to fraction form
    431,479.08/595,416.85 = 237,880.37/x
  3. Step 3: Cross multiply
    431,479.08x = 595,416.85 × 237,880.37
  4. Step 4: Simplify right side
    431,479.08x = 141,637,980,582.24
  5. Step 5: Solve for x
    x = 141,637,980,582.24/431,479.08
  6. Step 6: Final answer
    x = 328,261.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.