Finding the Fourth Proportional to 580,489.81, 870,399.47 and 225,088.63
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Solution
The fourth proportional to 580,489.81, 870,399.47 and 225,088.63 is: 337,502.95
Step by Step Solution
- Step 1: Write the proportion equation
580,489.81 : 870,399.47 = 225,088.63 : x - Step 2: Convert to fraction form
580,489.81/870,399.47 = 225,088.63/x - Step 3: Cross multiply
580,489.81x = 870,399.47 × 225,088.63 - Step 4: Simplify right side
580,489.81x = 195,917,022,641.75 - Step 5: Solve for x
x = 195,917,022,641.75/580,489.81 - Step 6: Final answer
x = 337,502.95
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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.