Finding the Fourth Proportional to 148,246.08, 204,577.56 and 81,178.08
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Solution
The fourth proportional to 148,246.08, 204,577.56 and 81,178.08 is: 112,024.64
Step by Step Solution
- Step 1: Write the proportion equation
148,246.08 : 204,577.56 = 81,178.08 : x - Step 2: Convert to fraction form
148,246.08/204,577.56 = 81,178.08/x - Step 3: Cross multiply
148,246.08x = 204,577.56 × 81,178.08 - Step 4: Simplify right side
148,246.08x = 16,607,213,531.88 - Step 5: Solve for x
x = 16,607,213,531.88/148,246.08 - Step 6: Final answer
x = 112,024.64
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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.