Finding the Fourth Proportional to 371,252.40, 556,887.36 and 90,772.08
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Solution
The fourth proportional to 371,252.40, 556,887.36 and 90,772.08 is: 136,160.26
Step by Step Solution
- Step 1: Write the proportion equation
371,252.40 : 556,887.36 = 90,772.08 : x - Step 2: Convert to fraction form
371,252.40/556,887.36 = 90,772.08/x - Step 3: Cross multiply
371,252.40x = 556,887.36 × 90,772.08 - Step 4: Simplify right side
371,252.40x = 50,549,823,992.91 - Step 5: Solve for x
x = 50,549,823,992.91/371,252.40 - Step 6: Final answer
x = 136,160.26
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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.