Finding the Fourth Proportional to 263,726.60, 395,577.18 and 86,210.12
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Solution
The fourth proportional to 263,726.60, 395,577.18 and 86,210.12 is: 129,311.02
Step by Step Solution
- Step 1: Write the proportion equation
263,726.60 : 395,577.18 = 86,210.12 : x - Step 2: Convert to fraction form
263,726.60/395,577.18 = 86,210.12/x - Step 3: Cross multiply
263,726.60x = 395,577.18 × 86,210.12 - Step 4: Simplify right side
263,726.60x = 34,102,756,157.06 - Step 5: Solve for x
x = 34,102,756,157.06/263,726.60 - Step 6: Final answer
x = 129,311.02
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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.