Finding the Fourth Proportional to 249,780.14, 344,695.84 and 135,057.98
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Solution
The fourth proportional to 249,780.14, 344,695.84 and 135,057.98 is: 186,379.61
Step by Step Solution
- Step 1: Write the proportion equation
249,780.14 : 344,695.84 = 135,057.98 : x - Step 2: Convert to fraction form
249,780.14/344,695.84 = 135,057.98/x - Step 3: Cross multiply
249,780.14x = 344,695.84 × 135,057.98 - Step 4: Simplify right side
249,780.14x = 46,553,924,388.90 - Step 5: Solve for x
x = 46,553,924,388.90/249,780.14 - Step 6: Final answer
x = 186,379.61
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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.