Finding the Fourth Proportional to 518,867.02, 778,202.11 and 219,556.63
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Solution
The fourth proportional to 518,867.02, 778,202.11 and 219,556.63 is: 329,293.30
Step by Step Solution
- Step 1: Write the proportion equation
518,867.02 : 778,202.11 = 219,556.63 : x - Step 2: Convert to fraction form
518,867.02/778,202.11 = 219,556.63/x - Step 3: Cross multiply
518,867.02x = 778,202.11 × 219,556.63 - Step 4: Simplify right side
518,867.02x = 170,859,432,730.49 - Step 5: Solve for x
x = 170,859,432,730.49/518,867.02 - Step 6: Final answer
x = 329,293.30
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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.