Finding the Fourth Proportional to 270,178.08, 405,284.48 and 103,966.08
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Solution
The fourth proportional to 270,178.08, 405,284.48 and 103,966.08 is: 155,955.80
Step by Step Solution
- Step 1: Write the proportion equation
270,178.08 : 405,284.48 = 103,966.08 : x - Step 2: Convert to fraction form
270,178.08/405,284.48 = 103,966.08/x - Step 3: Cross multiply
270,178.08x = 405,284.48 × 103,966.08 - Step 4: Simplify right side
270,178.08x = 42,135,838,670.44 - Step 5: Solve for x
x = 42,135,838,670.44/270,178.08 - Step 6: Final answer
x = 155,955.80
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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.