Finding the Fourth Proportional to 455,235.16, 683,737.98 and 371,057.08
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Solution
The fourth proportional to 455,235.16, 683,737.98 and 371,057.08 is: 557,307.17
Step by Step Solution
- Step 1: Write the proportion equation
455,235.16 : 683,737.98 = 371,057.08 : x - Step 2: Convert to fraction form
455,235.16/683,737.98 = 371,057.08/x - Step 3: Cross multiply
455,235.16x = 683,737.98 × 371,057.08 - Step 4: Simplify right side
455,235.16x = 253,705,818,343.90 - Step 5: Solve for x
x = 253,705,818,343.90/455,235.16 - Step 6: Final answer
x = 557,307.17
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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.