Finding the Fourth Proportional to 97,178.04, 145,778.73 and 91,863.63
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Solution
The fourth proportional to 97,178.04, 145,778.73 and 91,863.63 is: 137,806.48
Step by Step Solution
- Step 1: Write the proportion equation
97,178.04 : 145,778.73 = 91,863.63 : x - Step 2: Convert to fraction form
97,178.04/145,778.73 = 91,863.63/x - Step 3: Cross multiply
97,178.04x = 145,778.73 × 91,863.63 - Step 4: Simplify right side
97,178.04x = 13,391,762,815.36 - Step 5: Solve for x
x = 13,391,762,815.36/97,178.04 - Step 6: Final answer
x = 137,806.48
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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.