Finding the Fourth Proportional to 249,493.14, 344,299.92 and 136,316.70
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Solution
The fourth proportional to 249,493.14, 344,299.92 and 136,316.70 is: 188,116.71
Step by Step Solution
- Step 1: Write the proportion equation
249,493.14 : 344,299.92 = 136,316.70 : x - Step 2: Convert to fraction form
249,493.14/344,299.92 = 136,316.70/x - Step 3: Cross multiply
249,493.14x = 344,299.92 × 136,316.70 - Step 4: Simplify right side
249,493.14x = 46,933,828,904.66 - Step 5: Solve for x
x = 46,933,828,904.66/249,493.14 - Step 6: Final answer
x = 188,116.71
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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.