Finding the Fourth Proportional to 402,462.80, 603,687.98 and 102,940.74
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Solution
The fourth proportional to 402,462.80, 603,687.98 and 102,940.74 is: 154,409.52
Step by Step Solution
- Step 1: Write the proportion equation
402,462.80 : 603,687.98 = 102,940.74 : x - Step 2: Convert to fraction form
402,462.80/603,687.98 = 102,940.74/x - Step 3: Cross multiply
402,462.80x = 603,687.98 × 102,940.74 - Step 4: Simplify right side
402,462.80x = 62,144,087,390.31 - Step 5: Solve for x
x = 62,144,087,390.31/402,462.80 - Step 6: Final answer
x = 154,409.52
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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.