Finding the Fourth Proportional to 172,368.09, 237,865.68 and 96,916.59
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Solution
The fourth proportional to 172,368.09, 237,865.68 and 96,916.59 is: 133,743.61
Step by Step Solution
- Step 1: Write the proportion equation
172,368.09 : 237,865.68 = 96,916.59 : x - Step 2: Convert to fraction form
172,368.09/237,865.68 = 96,916.59/x - Step 3: Cross multiply
172,368.09x = 237,865.68 × 96,916.59 - Step 4: Simplify right side
172,368.09x = 23,053,130,583.63 - Step 5: Solve for x
x = 23,053,130,583.63/172,368.09 - Step 6: Final answer
x = 133,743.61
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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.