Finding the Fourth Proportional to 270,551.70, 405,827.55 and 122,807.70
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Solution
The fourth proportional to 270,551.70, 405,827.55 and 122,807.70 is: 184,211.55
Step by Step Solution
- Step 1: Write the proportion equation
270,551.70 : 405,827.55 = 122,807.70 : x - Step 2: Convert to fraction form
270,551.70/405,827.55 = 122,807.70/x - Step 3: Cross multiply
270,551.70x = 405,827.55 × 122,807.70 - Step 4: Simplify right side
270,551.70x = 49,838,748,012.14 - Step 5: Solve for x
x = 49,838,748,012.14/270,551.70 - Step 6: Final answer
x = 184,211.55
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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.