Finding the Fourth Proportional to 297,006.15, 445,345.20 and 97,223.70
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Solution
The fourth proportional to 297,006.15, 445,345.20 and 97,223.70 is: 145,781.86
Step by Step Solution
- Step 1: Write the proportion equation
297,006.15 : 445,345.20 = 97,223.70 : x - Step 2: Convert to fraction form
297,006.15/445,345.20 = 97,223.70/x - Step 3: Cross multiply
297,006.15x = 445,345.20 × 97,223.70 - Step 4: Simplify right side
297,006.15x = 43,298,108,121.24 - Step 5: Solve for x
x = 43,298,108,121.24/297,006.15 - Step 6: Final answer
x = 145,781.86
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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.