Finding the Fourth Proportional to 542,574.24, 812,811.76 and 305,195.68
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Solution
The fourth proportional to 542,574.24, 812,811.76 and 305,195.68 is: 457,203.12
Step by Step Solution
- Step 1: Write the proportion equation
542,574.24 : 812,811.76 = 305,195.68 : x - Step 2: Convert to fraction form
542,574.24/812,811.76 = 305,195.68/x - Step 3: Cross multiply
542,574.24x = 812,811.76 × 305,195.68 - Step 4: Simplify right side
542,574.24x = 248,066,637,805.20 - Step 5: Solve for x
x = 248,066,637,805.20/542,574.24 - Step 6: Final answer
x = 457,203.12
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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.