Finding the Fourth Proportional to 314,783.01, 434,400.62 and 171,543.08
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Solution
The fourth proportional to 314,783.01, 434,400.62 and 171,543.08 is: 236,729.48
Step by Step Solution
- Step 1: Write the proportion equation
314,783.01 : 434,400.62 = 171,543.08 : x - Step 2: Convert to fraction form
314,783.01/434,400.62 = 171,543.08/x - Step 3: Cross multiply
314,783.01x = 434,400.62 × 171,543.08 - Step 4: Simplify right side
314,783.01x = 74,518,417,278.99 - Step 5: Solve for x
x = 74,518,417,278.99/314,783.01 - Step 6: Final answer
x = 236,729.48
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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.