Finding the Fourth Proportional to 287,051.99, 430,298.66 and 137,253.42
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Solution
The fourth proportional to 287,051.99, 430,298.66 and 137,253.42 is: 205,746.58
Step by Step Solution
- Step 1: Write the proportion equation
287,051.99 : 430,298.66 = 137,253.42 : x - Step 2: Convert to fraction form
287,051.99/430,298.66 = 137,253.42/x - Step 3: Cross multiply
287,051.99x = 430,298.66 × 137,253.42 - Step 4: Simplify right side
287,051.99x = 59,059,963,049.55 - Step 5: Solve for x
x = 59,059,963,049.55/287,051.99 - Step 6: Final answer
x = 205,746.58
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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.