Finding the Fourth Proportional to 472,953.80, 709,868.10 and 236,466.20
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Solution
The fourth proportional to 472,953.80, 709,868.10 and 236,466.20 is: 354,917.99
Step by Step Solution
- Step 1: Write the proportion equation
472,953.80 : 709,868.10 = 236,466.20 : x - Step 2: Convert to fraction form
472,953.80/709,868.10 = 236,466.20/x - Step 3: Cross multiply
472,953.80x = 709,868.10 × 236,466.20 - Step 4: Simplify right side
472,953.80x = 167,859,812,108.22 - Step 5: Solve for x
x = 167,859,812,108.22/472,953.80 - Step 6: Final answer
x = 354,917.99
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1.5x scale
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.