Finding the Fourth Proportional to 168,389.63, 232,377.99 and 92,938.13
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Solution
The fourth proportional to 168,389.63, 232,377.99 and 92,938.13 is: 128,254.78
Step by Step Solution
- Step 1: Write the proportion equation
168,389.63 : 232,377.99 = 92,938.13 : x - Step 2: Convert to fraction form
168,389.63/232,377.99 = 92,938.13/x - Step 3: Cross multiply
168,389.63x = 232,377.99 × 92,938.13 - Step 4: Simplify right side
168,389.63x = 21,596,774,681.87 - Step 5: Solve for x
x = 21,596,774,681.87/168,389.63 - Step 6: Final answer
x = 128,254.78
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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.