Finding the Fourth Proportional to 183,712.24, 253,501.04 and 103,122.08
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Solution
The fourth proportional to 183,712.24, 253,501.04 and 103,122.08 is: 142,296.20
Step by Step Solution
- Step 1: Write the proportion equation
183,712.24 : 253,501.04 = 103,122.08 : x - Step 2: Convert to fraction form
183,712.24/253,501.04 = 103,122.08/x - Step 3: Cross multiply
183,712.24x = 253,501.04 × 103,122.08 - Step 4: Simplify right side
183,712.24x = 26,141,554,526.96 - Step 5: Solve for x
x = 26,141,554,526.96/183,712.24 - Step 6: Final answer
x = 142,296.20
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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.