Finding the Fourth Proportional to 472,314.99, 651,781.71 and 257,459.25
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Solution
The fourth proportional to 472,314.99, 651,781.71 and 257,459.25 is: 355,286.69
Step by Step Solution
- Step 1: Write the proportion equation
472,314.99 : 651,781.71 = 257,459.25 : x - Step 2: Convert to fraction form
472,314.99/651,781.71 = 257,459.25/x - Step 3: Cross multiply
472,314.99x = 651,781.71 × 257,459.25 - Step 4: Simplify right side
472,314.99x = 167,807,230,220.32 - Step 5: Solve for x
x = 167,807,230,220.32/472,314.99 - Step 6: Final answer
x = 355,286.69
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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.