Home / 262,328.10-393,492.15-84,962.40

Finding the Fourth Proportional to 262,328.10, 393,492.15 and 84,962.40

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Solution

The fourth proportional to 262,328.10, 393,492.15 and 84,962.40 is: 127,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,328.10 : 393,492.15 = 84,962.40 : x
  2. Step 2: Convert to fraction form
    262,328.10/393,492.15 = 84,962.40/x
  3. Step 3: Cross multiply
    262,328.10x = 393,492.15 × 84,962.40
  4. Step 4: Simplify right side
    262,328.10x = 33,432,037,445.16
  5. Step 5: Solve for x
    x = 33,432,037,445.16/262,328.10
  6. Step 6: Final answer
    x = 127,443.60

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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.