Home / 285,175.64-393,445.98-164,313.80

Finding the Fourth Proportional to 285,175.64, 393,445.98 and 164,313.80

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Solution

The fourth proportional to 285,175.64, 393,445.98 and 164,313.80 is: 226,697.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,175.64 : 393,445.98 = 164,313.80 : x
  2. Step 2: Convert to fraction form
    285,175.64/393,445.98 = 164,313.80/x
  3. Step 3: Cross multiply
    285,175.64x = 393,445.98 × 164,313.80
  4. Step 4: Simplify right side
    285,175.64x = 64,648,604,068.52
  5. Step 5: Solve for x
    x = 64,648,604,068.52/285,175.64
  6. Step 6: Final answer
    x = 226,697.50

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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.