Finding the Fourth Proportional to 465,982.72, 642,686.26 and 302,460.44
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Solution
The fourth proportional to 465,982.72, 642,686.26 and 302,460.44 is: 417,155.32
Step by Step Solution
- Step 1: Write the proportion equation
465,982.72 : 642,686.26 = 302,460.44 : x - Step 2: Convert to fraction form
465,982.72/642,686.26 = 302,460.44/x - Step 3: Cross multiply
465,982.72x = 642,686.26 × 302,460.44 - Step 4: Simplify right side
465,982.72x = 194,387,168,981.55 - Step 5: Solve for x
x = 194,387,168,981.55/465,982.72 - Step 6: Final answer
x = 417,155.32
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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.