Finding the Fourth Proportional to 249,459.24, 344,235.78 and 136,257.96
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Solution
The fourth proportional to 249,459.24, 344,235.78 and 136,257.96 is: 188,026.17
Step by Step Solution
- Step 1: Write the proportion equation
249,459.24 : 344,235.78 = 136,257.96 : x - Step 2: Convert to fraction form
249,459.24/344,235.78 = 136,257.96/x - Step 3: Cross multiply
249,459.24x = 344,235.78 × 136,257.96 - Step 4: Simplify right side
249,459.24x = 46,904,865,141.81 - Step 5: Solve for x
x = 46,904,865,141.81/249,459.24 - Step 6: Final answer
x = 188,026.17
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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.