Finding the Fourth Proportional to 249,709.84, 344,599.58 and 136,532.58
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Solution
The fourth proportional to 249,709.84, 344,599.58 and 136,532.58 is: 188,414.96
Step by Step Solution
- Step 1: Write the proportion equation
249,709.84 : 344,599.58 = 136,532.58 : x - Step 2: Convert to fraction form
249,709.84/344,599.58 = 136,532.58/x - Step 3: Cross multiply
249,709.84x = 344,599.58 × 136,532.58 - Step 4: Simplify right side
249,709.84x = 47,049,069,724.32 - Step 5: Solve for x
x = 47,049,069,724.32/249,709.84 - Step 6: Final answer
x = 188,414.96
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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.