Finding the Fourth Proportional to 580,358.12, 870,740.28 and 225,621.05
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Solution
The fourth proportional to 580,358.12, 870,740.28 and 225,621.05 is: 338,510.53
Step by Step Solution
- Step 1: Write the proportion equation
580,358.12 : 870,740.28 = 225,621.05 : x - Step 2: Convert to fraction form
580,358.12/870,740.28 = 225,621.05/x - Step 3: Cross multiply
580,358.12x = 870,740.28 × 225,621.05 - Step 4: Simplify right side
580,358.12x = 196,457,331,897.19 - Step 5: Solve for x
x = 196,457,331,897.19/580,358.12 - Step 6: Final answer
x = 338,510.53
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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.