Finding the Fourth Proportional to 122,800.12, 183,904.70 and 83,237.29
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Solution
The fourth proportional to 122,800.12, 183,904.70 and 83,237.29 is: 124,655.65
Step by Step Solution
- Step 1: Write the proportion equation
122,800.12 : 183,904.70 = 83,237.29 : x - Step 2: Convert to fraction form
122,800.12/183,904.70 = 83,237.29/x - Step 3: Cross multiply
122,800.12x = 183,904.70 × 83,237.29 - Step 4: Simplify right side
122,800.12x = 15,307,727,970.31 - Step 5: Solve for x
x = 15,307,727,970.31/122,800.12 - Step 6: Final answer
x = 124,655.65
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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.