Home / 249,705.10-374,229.60-221,492.80

Finding the Fourth Proportional to 249,705.10, 374,229.60 and 221,492.80

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Solution

The fourth proportional to 249,705.10, 374,229.60 and 221,492.80 is: 331,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,705.10 : 374,229.60 = 221,492.80 : x
  2. Step 2: Convert to fraction form
    249,705.10/374,229.60 = 221,492.80/x
  3. Step 3: Cross multiply
    249,705.10x = 374,229.60 × 221,492.80
  4. Step 4: Simplify right side
    249,705.10x = 82,889,161,946.88
  5. Step 5: Solve for x
    x = 82,889,161,946.88/249,705.10
  6. Step 6: Final answer
    x = 331,948.21

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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.