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Finding the Fourth Proportional to 249,153.40, 373,846.74 and 108,893.80

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Solution

The fourth proportional to 249,153.40, 373,846.74 and 108,893.80 is: 163,391.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,153.40 : 373,846.74 = 108,893.80 : x
  2. Step 2: Convert to fraction form
    249,153.40/373,846.74 = 108,893.80/x
  3. Step 3: Cross multiply
    249,153.40x = 373,846.74 × 108,893.80
  4. Step 4: Simplify right side
    249,153.40x = 40,709,592,136.21
  5. Step 5: Solve for x
    x = 40,709,592,136.21/249,153.40
  6. Step 6: Final answer
    x = 163,391.68

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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.