Finding the Fourth Proportional to 642,603.10, 963,731.85 and 268,548.70
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Solution
The fourth proportional to 642,603.10, 963,731.85 and 268,548.70 is: 402,750.84
Step by Step Solution
- Step 1: Write the proportion equation
642,603.10 : 963,731.85 = 268,548.70 : x - Step 2: Convert to fraction form
642,603.10/963,731.85 = 268,548.70/x - Step 3: Cross multiply
642,603.10x = 963,731.85 × 268,548.70 - Step 4: Simplify right side
642,603.10x = 258,808,935,466.10 - Step 5: Solve for x
x = 258,808,935,466.10/642,603.10 - Step 6: Final answer
x = 402,750.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.