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Finding the Fourth Proportional to 348,151.72, 480,450.59 and 219,175.53

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Solution

The fourth proportional to 348,151.72, 480,450.59 and 219,175.53 is: 302,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,151.72 : 480,450.59 = 219,175.53 : x
  2. Step 2: Convert to fraction form
    348,151.72/480,450.59 = 219,175.53/x
  3. Step 3: Cross multiply
    348,151.72x = 480,450.59 × 219,175.53
  4. Step 4: Simplify right side
    348,151.72x = 105,303,012,702.06
  5. Step 5: Solve for x
    x = 105,303,012,702.06/348,151.72
  6. Step 6: Final answer
    x = 302,463.00

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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.