Finding the Fourth Proportional to 118,499.04, 163,569.84 and 68,218.08
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Solution
The fourth proportional to 118,499.04, 163,569.84 and 68,218.08 is: 94,164.65
Step by Step Solution
- Step 1: Write the proportion equation
118,499.04 : 163,569.84 = 68,218.08 : x - Step 2: Convert to fraction form
118,499.04/163,569.84 = 68,218.08/x - Step 3: Cross multiply
118,499.04x = 163,569.84 × 68,218.08 - Step 4: Simplify right side
118,499.04x = 11,158,420,430.71 - Step 5: Solve for x
x = 11,158,420,430.71/118,499.04 - Step 6: Final answer
x = 94,164.65
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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.