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Finding the Fourth Proportional to 349,424.16, 524,252.88 and 139,005.60

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Solution

The fourth proportional to 349,424.16, 524,252.88 and 139,005.60 is: 208,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,424.16 : 524,252.88 = 139,005.60 : x
  2. Step 2: Convert to fraction form
    349,424.16/524,252.88 = 139,005.60/x
  3. Step 3: Cross multiply
    349,424.16x = 524,252.88 × 139,005.60
  4. Step 4: Simplify right side
    349,424.16x = 72,874,086,136.13
  5. Step 5: Solve for x
    x = 72,874,086,136.13/349,424.16
  6. Step 6: Final answer
    x = 208,554.80

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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.