Finding the Fourth Proportional to 249,716.00, 344,602.85 and 136,538.75
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Solution
The fourth proportional to 249,716.00, 344,602.85 and 136,538.75 is: 188,420.61
Step by Step Solution
- Step 1: Write the proportion equation
249,716.00 : 344,602.85 = 136,538.75 : x - Step 2: Convert to fraction form
249,716.00/344,602.85 = 136,538.75/x - Step 3: Cross multiply
249,716.00x = 344,602.85 × 136,538.75 - Step 4: Simplify right side
249,716.00x = 47,051,639,979.73 - Step 5: Solve for x
x = 47,051,639,979.73/249,716.00 - Step 6: Final answer
x = 188,420.61
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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.