Finding the Fourth Proportional to 341,970.55, 471,943.79 and 189,005.45
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Solution
The fourth proportional to 341,970.55, 471,943.79 and 189,005.45 is: 260,841.02
Step by Step Solution
- Step 1: Write the proportion equation
341,970.55 : 471,943.79 = 189,005.45 : x - Step 2: Convert to fraction form
341,970.55/471,943.79 = 189,005.45/x - Step 3: Cross multiply
341,970.55x = 471,943.79 × 189,005.45 - Step 4: Simplify right side
341,970.55x = 89,199,948,403.66 - Step 5: Solve for x
x = 89,199,948,403.66/341,970.55 - Step 6: Final answer
x = 260,841.02
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1.5x scale
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.