Finding the Fourth Proportional to 183,897.79, 253,779.18 and 103,325.26
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Solution
The fourth proportional to 183,897.79, 253,779.18 and 103,325.26 is: 142,588.99
Step by Step Solution
- Step 1: Write the proportion equation
183,897.79 : 253,779.18 = 103,325.26 : x - Step 2: Convert to fraction form
183,897.79/253,779.18 = 103,325.26/x - Step 3: Cross multiply
183,897.79x = 253,779.18 × 103,325.26 - Step 4: Simplify right side
183,897.79x = 26,221,799,756.09 - Step 5: Solve for x
x = 26,221,799,756.09/183,897.79 - Step 6: Final answer
x = 142,588.99
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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.