Finding the Fourth Proportional to 104,207.50, 156,207.30 and 40,988.08
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Solution
The fourth proportional to 104,207.50, 156,207.30 and 40,988.08 is: 61,441.23
Step by Step Solution
- Step 1: Write the proportion equation
104,207.50 : 156,207.30 = 40,988.08 : x - Step 2: Convert to fraction form
104,207.50/156,207.30 = 40,988.08/x - Step 3: Cross multiply
104,207.50x = 156,207.30 × 40,988.08 - Step 4: Simplify right side
104,207.50x = 6,402,637,308.98 - Step 5: Solve for x
x = 6,402,637,308.98/104,207.50 - Step 6: Final answer
x = 61,441.23
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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.