Finding the Fourth Proportional to 357,813.18, 536,369.85 and 147,601.98
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Solution
The fourth proportional to 357,813.18, 536,369.85 and 147,601.98 is: 221,258.62
Step by Step Solution
- Step 1: Write the proportion equation
357,813.18 : 536,369.85 = 147,601.98 : x - Step 2: Convert to fraction form
357,813.18/536,369.85 = 147,601.98/x - Step 3: Cross multiply
357,813.18x = 536,369.85 × 147,601.98 - Step 4: Simplify right side
357,813.18x = 79,169,251,872.30 - Step 5: Solve for x
x = 79,169,251,872.30/357,813.18 - Step 6: Final answer
x = 221,258.62
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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.