Home / 818,113.30-1,227,166.58-249,492.72

Finding the Fourth Proportional to 818,113.30, 1,227,166.58 and 249,492.72

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Solution

The fourth proportional to 818,113.30, 1,227,166.58 and 249,492.72 is: 374,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,113.30 : 1,227,166.58 = 249,492.72 : x
  2. Step 2: Convert to fraction form
    818,113.30/1,227,166.58 = 249,492.72/x
  3. Step 3: Cross multiply
    818,113.30x = 1,227,166.58 × 249,492.72
  4. Step 4: Simplify right side
    818,113.30x = 306,169,133,162.90
  5. Step 5: Solve for x
    x = 306,169,133,162.90/818,113.30
  6. Step 6: Final answer
    x = 374,238.06

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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.