Finding the Fourth Proportional to 723,332.90, 1,085,044.44 and 190,854.44
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Solution
The fourth proportional to 723,332.90, 1,085,044.44 and 190,854.44 is: 286,293.56
Step by Step Solution
- Step 1: Write the proportion equation
723,332.90 : 1,085,044.44 = 190,854.44 : x - Step 2: Convert to fraction form
723,332.90/1,085,044.44 = 190,854.44/x - Step 3: Cross multiply
723,332.90x = 1,085,044.44 × 190,854.44 - Step 4: Simplify right side
723,332.90x = 207,085,548,971.31 - Step 5: Solve for x
x = 207,085,548,971.31/723,332.90 - Step 6: Final answer
x = 286,293.56
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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.