Finding the Fourth Proportional to 153,988.74, 230,983.14 and 57,944.04
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Solution
The fourth proportional to 153,988.74, 230,983.14 and 57,944.04 is: 86,916.07
Step by Step Solution
- Step 1: Write the proportion equation
153,988.74 : 230,983.14 = 57,944.04 : x - Step 2: Convert to fraction form
153,988.74/230,983.14 = 57,944.04/x - Step 3: Cross multiply
153,988.74x = 230,983.14 × 57,944.04 - Step 4: Simplify right side
153,988.74x = 13,384,095,654.59 - Step 5: Solve for x
x = 13,384,095,654.59/153,988.74 - Step 6: Final answer
x = 86,916.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.