Finding the Fourth Proportional to 423,795.62, 584,938.79 and 242,612.19
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Solution
The fourth proportional to 423,795.62, 584,938.79 and 242,612.19 is: 334,862.55
Step by Step Solution
- Step 1: Write the proportion equation
423,795.62 : 584,938.79 = 242,612.19 : x - Step 2: Convert to fraction form
423,795.62/584,938.79 = 242,612.19/x - Step 3: Cross multiply
423,795.62x = 584,938.79 × 242,612.19 - Step 4: Simplify right side
423,795.62x = 141,913,280,857.85 - Step 5: Solve for x
x = 141,913,280,857.85/423,795.62 - Step 6: Final answer
x = 334,862.55
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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.