Finding the Fourth Proportional to 287,181.18, 430,859.61 and 147,038.94
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Solution
The fourth proportional to 287,181.18, 430,859.61 and 147,038.94 is: 220,603.38
Step by Step Solution
- Step 1: Write the proportion equation
287,181.18 : 430,859.61 = 147,038.94 : x - Step 2: Convert to fraction form
287,181.18/430,859.61 = 147,038.94/x - Step 3: Cross multiply
287,181.18x = 430,859.61 × 147,038.94 - Step 4: Simplify right side
287,181.18x = 63,353,140,343.21 - Step 5: Solve for x
x = 63,353,140,343.21/287,181.18 - Step 6: Final answer
x = 220,603.38
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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.