Finding the Fourth Proportional to 122,177.30, 183,208.43 and 47,332.49
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Solution
The fourth proportional to 122,177.30, 183,208.43 and 47,332.49 is: 70,976.45
Step by Step Solution
- Step 1: Write the proportion equation
122,177.30 : 183,208.43 = 47,332.49 : x - Step 2: Convert to fraction form
122,177.30/183,208.43 = 47,332.49/x - Step 3: Cross multiply
122,177.30x = 183,208.43 × 47,332.49 - Step 4: Simplify right side
122,177.30x = 8,671,710,383.18 - Step 5: Solve for x
x = 8,671,710,383.18/122,177.30 - Step 6: Final answer
x = 70,976.45
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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.