Finding the Fourth Proportional to 249,226.19, 343,886.13 and 141,789.95
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Solution
The fourth proportional to 249,226.19, 343,886.13 and 141,789.95 is: 195,643.95
Step by Step Solution
- Step 1: Write the proportion equation
249,226.19 : 343,886.13 = 141,789.95 : x - Step 2: Convert to fraction form
249,226.19/343,886.13 = 141,789.95/x - Step 3: Cross multiply
249,226.19x = 343,886.13 × 141,789.95 - Step 4: Simplify right side
249,226.19x = 48,759,597,178.39 - Step 5: Solve for x
x = 48,759,597,178.39/249,226.19 - Step 6: Final answer
x = 195,643.95
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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.