Finding the Fourth Proportional to 270,029.17, 372,662.54 and 155,345.05
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Solution
The fourth proportional to 270,029.17, 372,662.54 and 155,345.05 is: 214,388.99
Step by Step Solution
- Step 1: Write the proportion equation
270,029.17 : 372,662.54 = 155,345.05 : x - Step 2: Convert to fraction form
270,029.17/372,662.54 = 155,345.05/x - Step 3: Cross multiply
270,029.17x = 372,662.54 × 155,345.05 - Step 4: Simplify right side
270,029.17x = 57,891,280,909.43 - Step 5: Solve for x
x = 57,891,280,909.43/270,029.17 - Step 6: Final answer
x = 214,388.99
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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.