Finding the Fourth Proportional to 287,260.80, 430,926.72 and 97,752.96
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Solution
The fourth proportional to 287,260.80, 430,926.72 and 97,752.96 is: 146,641.53
Step by Step Solution
- Step 1: Write the proportion equation
287,260.80 : 430,926.72 = 97,752.96 : x - Step 2: Convert to fraction form
287,260.80/430,926.72 = 97,752.96/x - Step 3: Cross multiply
287,260.80x = 430,926.72 × 97,752.96 - Step 4: Simplify right side
287,260.80x = 42,124,362,423.09 - Step 5: Solve for x
x = 42,124,362,423.09/287,260.80 - Step 6: Final answer
x = 146,641.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.