Finding the Fourth Proportional to 410,197.15, 615,292.99 and 220,746.66
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Solution
The fourth proportional to 410,197.15, 615,292.99 and 220,746.66 is: 331,118.51
Step by Step Solution
- Step 1: Write the proportion equation
410,197.15 : 615,292.99 = 220,746.66 : x - Step 2: Convert to fraction form
410,197.15/615,292.99 = 220,746.66/x - Step 3: Cross multiply
410,197.15x = 615,292.99 × 220,746.66 - Step 4: Simplify right side
410,197.15x = 135,823,869,387.45 - Step 5: Solve for x
x = 135,823,869,387.45/410,197.15 - Step 6: Final answer
x = 331,118.51
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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.