Finding the Fourth Proportional to 351,895.44, 527,838.66 and 85,656.18
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Solution
The fourth proportional to 351,895.44, 527,838.66 and 85,656.18 is: 128,483.17
Step by Step Solution
- Step 1: Write the proportion equation
351,895.44 : 527,838.66 = 85,656.18 : x - Step 2: Convert to fraction form
351,895.44/527,838.66 = 85,656.18/x - Step 3: Cross multiply
351,895.44x = 527,838.66 × 85,656.18 - Step 4: Simplify right side
351,895.44x = 45,212,643,271.92 - Step 5: Solve for x
x = 45,212,643,271.92/351,895.44 - Step 6: Final answer
x = 128,483.17
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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.