Finding the Fourth Proportional to 408,631.44, 563,989.05 and 255,740.70
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Solution
The fourth proportional to 408,631.44, 563,989.05 and 255,740.70 is: 352,970.77
Step by Step Solution
- Step 1: Write the proportion equation
408,631.44 : 563,989.05 = 255,740.70 : x - Step 2: Convert to fraction form
408,631.44/563,989.05 = 255,740.70/x - Step 3: Cross multiply
408,631.44x = 563,989.05 × 255,740.70 - Step 4: Simplify right side
408,631.44x = 144,234,954,439.34 - Step 5: Solve for x
x = 144,234,954,439.34/408,631.44 - Step 6: Final answer
x = 352,970.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.