Finding the Fourth Proportional to 521,094.06, 781,099.18 and 201,465.48
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Solution
The fourth proportional to 521,094.06, 781,099.18 and 201,465.48 is: 301,988.71
Step by Step Solution
- Step 1: Write the proportion equation
521,094.06 : 781,099.18 = 201,465.48 : x - Step 2: Convert to fraction form
521,094.06/781,099.18 = 201,465.48/x - Step 3: Cross multiply
521,094.06x = 781,099.18 × 201,465.48 - Step 4: Simplify right side
521,094.06x = 157,364,521,226.31 - Step 5: Solve for x
x = 157,364,521,226.31/521,094.06 - Step 6: Final answer
x = 301,988.71
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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.