Finding the Fourth Proportional to 165,810.99, 228,754.21 and 102,038.07
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Solution
The fourth proportional to 165,810.99, 228,754.21 and 102,038.07 is: 140,772.57
Step by Step Solution
- Step 1: Write the proportion equation
165,810.99 : 228,754.21 = 102,038.07 : x - Step 2: Convert to fraction form
165,810.99/228,754.21 = 102,038.07/x - Step 3: Cross multiply
165,810.99x = 228,754.21 × 102,038.07 - Step 4: Simplify right side
165,810.99x = 23,341,638,673.93 - Step 5: Solve for x
x = 23,341,638,673.93/165,810.99 - Step 6: Final answer
x = 140,772.57
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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.