Finding the Fourth Proportional to 249,226.20, 343,886.12 and 141,789.96
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Solution
The fourth proportional to 249,226.20, 343,886.12 and 141,789.96 is: 195,643.95
Step by Step Solution
- Step 1: Write the proportion equation
249,226.20 : 343,886.12 = 141,789.96 : x - Step 2: Convert to fraction form
249,226.20/343,886.12 = 141,789.96/x - Step 3: Cross multiply
249,226.20x = 343,886.12 × 141,789.96 - Step 4: Simplify right side
249,226.20x = 48,759,599,199.36 - Step 5: Solve for x
x = 48,759,599,199.36/249,226.20 - Step 6: Final answer
x = 195,643.95
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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.