Finding the Fourth Proportional to 343,177.75, 473,585.30 and 209,041.75
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Solution
The fourth proportional to 343,177.75, 473,585.30 and 209,041.75 is: 288,477.62
Step by Step Solution
- Step 1: Write the proportion equation
343,177.75 : 473,585.30 = 209,041.75 : x - Step 2: Convert to fraction form
343,177.75/473,585.30 = 209,041.75/x - Step 3: Cross multiply
343,177.75x = 473,585.30 × 209,041.75 - Step 4: Simplify right side
343,177.75x = 98,999,099,886.28 - Step 5: Solve for x
x = 98,999,099,886.28/343,177.75 - Step 6: Final answer
x = 288,477.62
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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.