Finding the Fourth Proportional to 108,235.12, 162,368.88 and 38,102.08
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Solution
The fourth proportional to 108,235.12, 162,368.88 and 38,102.08 is: 57,158.82
Step by Step Solution
- Step 1: Write the proportion equation
108,235.12 : 162,368.88 = 38,102.08 : x - Step 2: Convert to fraction form
108,235.12/162,368.88 = 38,102.08/x - Step 3: Cross multiply
108,235.12x = 162,368.88 × 38,102.08 - Step 4: Simplify right side
108,235.12x = 6,186,592,055.27 - Step 5: Solve for x
x = 6,186,592,055.27/108,235.12 - Step 6: Final answer
x = 57,158.82
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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.