Finding the Fourth Proportional to 293,207.40, 411,319.80 and 293,207.40
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Solution
The fourth proportional to 293,207.40, 411,319.80 and 293,207.40 is: 411,319.80
Step by Step Solution
- Step 1: Write the proportion equation
293,207.40 : 411,319.80 = 293,207.40 : x - Step 2: Convert to fraction form
293,207.40/411,319.80 = 293,207.40/x - Step 3: Cross multiply
293,207.40x = 411,319.80 × 293,207.40 - Step 4: Simplify right side
293,207.40x = 120,602,009,126.52 - Step 5: Solve for x
x = 120,602,009,126.52/293,207.40 - Step 6: Final answer
x = 411,319.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.