Finding the Fourth Proportional to 216,087.84, 298,117.98 and 135,374.76
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Solution
The fourth proportional to 216,087.84, 298,117.98 and 135,374.76 is: 186,765.02
Step by Step Solution
- Step 1: Write the proportion equation
216,087.84 : 298,117.98 = 135,374.76 : x - Step 2: Convert to fraction form
216,087.84/298,117.98 = 135,374.76/x - Step 3: Cross multiply
216,087.84x = 298,117.98 × 135,374.76 - Step 4: Simplify right side
216,087.84x = 40,357,649,994.18 - Step 5: Solve for x
x = 40,357,649,994.18/216,087.84 - Step 6: Final answer
x = 186,765.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.