Finding the Fourth Proportional to 985,381.08, 1,478,072.88 and 237,427.08
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Solution
The fourth proportional to 985,381.08, 1,478,072.88 and 237,427.08 is: 356,140.92
Step by Step Solution
- Step 1: Write the proportion equation
985,381.08 : 1,478,072.88 = 237,427.08 : x - Step 2: Convert to fraction form
985,381.08/1,478,072.88 = 237,427.08/x - Step 3: Cross multiply
985,381.08x = 1,478,072.88 × 237,427.08 - Step 4: Simplify right side
985,381.08x = 350,934,527,925.59 - Step 5: Solve for x
x = 350,934,527,925.59/985,381.08 - Step 6: Final answer
x = 356,140.92
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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.