Finding the Fourth Proportional to 439,217.48, 606,094.95 and 242,972.23
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Solution
The fourth proportional to 439,217.48, 606,094.95 and 242,972.23 is: 335,287.75
Step by Step Solution
- Step 1: Write the proportion equation
439,217.48 : 606,094.95 = 242,972.23 : x - Step 2: Convert to fraction form
439,217.48/606,094.95 = 242,972.23/x - Step 3: Cross multiply
439,217.48x = 606,094.95 × 242,972.23 - Step 4: Simplify right side
439,217.48x = 147,264,241,593.24 - Step 5: Solve for x
x = 147,264,241,593.24/439,217.48 - Step 6: Final answer
x = 335,287.75
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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.