Finding the Fourth Proportional to 353,553.70, 530,330.55 and 283,569.70
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Solution
The fourth proportional to 353,553.70, 530,330.55 and 283,569.70 is: 425,354.55
Step by Step Solution
- Step 1: Write the proportion equation
353,553.70 : 530,330.55 = 283,569.70 : x - Step 2: Convert to fraction form
353,553.70/530,330.55 = 283,569.70/x - Step 3: Cross multiply
353,553.70x = 530,330.55 × 283,569.70 - Step 4: Simplify right side
353,553.70x = 150,385,674,964.34 - Step 5: Solve for x
x = 150,385,674,964.34/353,553.70 - Step 6: Final answer
x = 425,354.55
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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.