Home / 290,056.95-434,981.12-100,466.24

Finding the Fourth Proportional to 290,056.95, 434,981.12 and 100,466.24

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Solution

The fourth proportional to 290,056.95, 434,981.12 and 100,466.24 is: 150,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,056.95 : 434,981.12 = 100,466.24 : x
  2. Step 2: Convert to fraction form
    290,056.95/434,981.12 = 100,466.24/x
  3. Step 3: Cross multiply
    290,056.95x = 434,981.12 × 100,466.24
  4. Step 4: Simplify right side
    290,056.95x = 43,700,914,920.15
  5. Step 5: Solve for x
    x = 43,700,914,920.15/290,056.95
  6. Step 6: Final answer
    x = 150,663.22

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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.