Finding the Fourth Proportional to 304,385.99, 420,221.60 and 183,557.88
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Solution
The fourth proportional to 304,385.99, 420,221.60 and 183,557.88 is: 253,411.75
Step by Step Solution
- Step 1: Write the proportion equation
304,385.99 : 420,221.60 = 183,557.88 : x - Step 2: Convert to fraction form
304,385.99/420,221.60 = 183,557.88/x - Step 3: Cross multiply
304,385.99x = 420,221.60 × 183,557.88 - Step 4: Simplify right side
304,385.99x = 77,134,985,108.42 - Step 5: Solve for x
x = 77,134,985,108.42/304,385.99 - Step 6: Final answer
x = 253,411.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.