Finding the Fourth Proportional to 342,911.03, 473,114.84 and 221,860.58
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Solution
The fourth proportional to 342,911.03, 473,114.84 and 221,860.58 is: 306,101.35
Step by Step Solution
- Step 1: Write the proportion equation
342,911.03 : 473,114.84 = 221,860.58 : x - Step 2: Convert to fraction form
342,911.03/473,114.84 = 221,860.58/x - Step 3: Cross multiply
342,911.03x = 473,114.84 × 221,860.58 - Step 4: Simplify right side
342,911.03x = 104,965,529,334.13 - Step 5: Solve for x
x = 104,965,529,334.13/342,911.03 - Step 6: Final answer
x = 306,101.35
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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.