Finding the Fourth Proportional to 455,485.65, 683,643.08 and 242,432.43
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Solution
The fourth proportional to 455,485.65, 683,643.08 and 242,432.43 is: 363,869.32
Step by Step Solution
- Step 1: Write the proportion equation
455,485.65 : 683,643.08 = 242,432.43 : x - Step 2: Convert to fraction form
455,485.65/683,643.08 = 242,432.43/x - Step 3: Cross multiply
455,485.65x = 683,643.08 × 242,432.43 - Step 4: Simplify right side
455,485.65x = 165,737,253,137.08 - Step 5: Solve for x
x = 165,737,253,137.08/455,485.65 - Step 6: Final answer
x = 363,869.32
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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.