Finding the Fourth Proportional to 493,800.30, 740,190.15 and 268,685.10
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Solution
The fourth proportional to 493,800.30, 740,190.15 and 268,685.10 is: 402,749.99
Step by Step Solution
- Step 1: Write the proportion equation
493,800.30 : 740,190.15 = 268,685.10 : x - Step 2: Convert to fraction form
493,800.30/740,190.15 = 268,685.10/x - Step 3: Cross multiply
493,800.30x = 740,190.15 × 268,685.10 - Step 4: Simplify right side
493,800.30x = 198,878,064,471.77 - Step 5: Solve for x
x = 198,878,064,471.77/493,800.30 - Step 6: Final answer
x = 402,749.99
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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.