Finding the Fourth Proportional to 110,259.96, 152,221.08 and 84,369.84
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Solution
The fourth proportional to 110,259.96, 152,221.08 and 84,369.84 is: 116,478.08
Step by Step Solution
- Step 1: Write the proportion equation
110,259.96 : 152,221.08 = 84,369.84 : x - Step 2: Convert to fraction form
110,259.96/152,221.08 = 84,369.84/x - Step 3: Cross multiply
110,259.96x = 152,221.08 × 84,369.84 - Step 4: Simplify right side
110,259.96x = 12,842,868,164.23 - Step 5: Solve for x
x = 12,842,868,164.23/110,259.96 - Step 6: Final answer
x = 116,478.08
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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.