Finding the Fourth Proportional to 158,267.84, 218,403.04 and 86,646.08
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Solution
The fourth proportional to 158,267.84, 218,403.04 and 86,646.08 is: 119,567.99
Step by Step Solution
- Step 1: Write the proportion equation
158,267.84 : 218,403.04 = 86,646.08 : x - Step 2: Convert to fraction form
158,267.84/218,403.04 = 86,646.08/x - Step 3: Cross multiply
158,267.84x = 218,403.04 × 86,646.08 - Step 4: Simplify right side
158,267.84x = 18,923,767,276.08 - Step 5: Solve for x
x = 18,923,767,276.08/158,267.84 - Step 6: Final answer
x = 119,567.99
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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.