Finding the Fourth Proportional to 236,638.08, 354,746.62 and 86,844.08
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Solution
The fourth proportional to 236,638.08, 354,746.62 and 86,844.08 is: 130,188.87
Step by Step Solution
- Step 1: Write the proportion equation
236,638.08 : 354,746.62 = 86,844.08 : x - Step 2: Convert to fraction form
236,638.08/354,746.62 = 86,844.08/x - Step 3: Cross multiply
236,638.08x = 354,746.62 × 86,844.08 - Step 4: Simplify right side
236,638.08x = 30,807,643,847.01 - Step 5: Solve for x
x = 30,807,643,847.01/236,638.08 - Step 6: Final answer
x = 130,188.87
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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.