Finding the Fourth Proportional to 224,739.95, 310,129.27 and 122,763.94
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Solution
The fourth proportional to 224,739.95, 310,129.27 and 122,763.94 is: 169,407.76
Step by Step Solution
- Step 1: Write the proportion equation
224,739.95 : 310,129.27 = 122,763.94 : x - Step 2: Convert to fraction form
224,739.95/310,129.27 = 122,763.94/x - Step 3: Cross multiply
224,739.95x = 310,129.27 × 122,763.94 - Step 4: Simplify right side
224,739.95x = 38,072,690,012.29 - Step 5: Solve for x
x = 38,072,690,012.29/224,739.95 - Step 6: Final answer
x = 169,407.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.