Finding the Fourth Proportional to 312,465.74, 470,029.03 and 283,236.53
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Solution
The fourth proportional to 312,465.74, 470,029.03 and 283,236.53 is: 426,060.76
Step by Step Solution
- Step 1: Write the proportion equation
312,465.74 : 470,029.03 = 283,236.53 : x - Step 2: Convert to fraction form
312,465.74/470,029.03 = 283,236.53/x - Step 3: Cross multiply
312,465.74x = 470,029.03 × 283,236.53 - Step 4: Simplify right side
312,465.74x = 133,129,388,398.23 - Step 5: Solve for x
x = 133,129,388,398.23/312,465.74 - Step 6: Final answer
x = 426,060.76
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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.