Finding the Fourth Proportional to 282,582.09, 390,030.26 and 161,792.87
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Solution
The fourth proportional to 282,582.09, 390,030.26 and 161,792.87 is: 223,312.50
Step by Step Solution
- Step 1: Write the proportion equation
282,582.09 : 390,030.26 = 161,792.87 : x - Step 2: Convert to fraction form
282,582.09/390,030.26 = 161,792.87/x - Step 3: Cross multiply
282,582.09x = 390,030.26 × 161,792.87 - Step 4: Simplify right side
282,582.09x = 63,104,112,393.13 - Step 5: Solve for x
x = 63,104,112,393.13/282,582.09 - Step 6: Final answer
x = 223,312.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.