Finding the Fourth Proportional to 259,531.84, 358,178.99 and 157,533.79
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Solution
The fourth proportional to 259,531.84, 358,178.99 and 157,533.79 is: 217,411.84
Step by Step Solution
- Step 1: Write the proportion equation
259,531.84 : 358,178.99 = 157,533.79 : x - Step 2: Convert to fraction form
259,531.84/358,178.99 = 157,533.79/x - Step 3: Cross multiply
259,531.84x = 358,178.99 × 157,533.79 - Step 4: Simplify right side
259,531.84x = 56,425,293,793.07 - Step 5: Solve for x
x = 56,425,293,793.07/259,531.84 - Step 6: Final answer
x = 217,411.84
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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.