Finding the Fourth Proportional to 485,012.55, 727,201.98 and 232,284.81
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Solution
The fourth proportional to 485,012.55, 727,201.98 and 232,284.81 is: 348,275.47
Step by Step Solution
- Step 1: Write the proportion equation
485,012.55 : 727,201.98 = 232,284.81 : x - Step 2: Convert to fraction form
485,012.55/727,201.98 = 232,284.81/x - Step 3: Cross multiply
485,012.55x = 727,201.98 × 232,284.81 - Step 4: Simplify right side
485,012.55x = 168,917,973,755.92 - Step 5: Solve for x
x = 168,917,973,755.92/485,012.55 - Step 6: Final answer
x = 348,275.47
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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.