Finding the Fourth Proportional to 401,334.93, 553,820.99 and 229,219.07
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Solution
The fourth proportional to 401,334.93, 553,820.99 and 229,219.07 is: 316,310.19
Step by Step Solution
- Step 1: Write the proportion equation
401,334.93 : 553,820.99 = 229,219.07 : x - Step 2: Convert to fraction form
401,334.93/553,820.99 = 229,219.07/x - Step 3: Cross multiply
401,334.93x = 553,820.99 × 229,219.07 - Step 4: Simplify right side
401,334.93x = 126,946,328,359.08 - Step 5: Solve for x
x = 126,946,328,359.08/401,334.93 - Step 6: Final answer
x = 316,310.19
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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.