Finding the Fourth Proportional to 168,323.12, 232,370.08 and 104,681.42
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Solution
The fourth proportional to 168,323.12, 232,370.08 and 104,681.42 is: 144,512.70
Step by Step Solution
- Step 1: Write the proportion equation
168,323.12 : 232,370.08 = 104,681.42 : x - Step 2: Convert to fraction form
168,323.12/232,370.08 = 104,681.42/x - Step 3: Cross multiply
168,323.12x = 232,370.08 × 104,681.42 - Step 4: Simplify right side
168,323.12x = 24,324,828,254.66 - Step 5: Solve for x
x = 24,324,828,254.66/168,323.12 - Step 6: Final answer
x = 144,512.70
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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.