Finding the Fourth Proportional to 418,466.16, 577,495.26 and 255,132.09
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Solution
The fourth proportional to 418,466.16, 577,495.26 and 255,132.09 is: 352,089.58
Step by Step Solution
- Step 1: Write the proportion equation
418,466.16 : 577,495.26 = 255,132.09 : x - Step 2: Convert to fraction form
418,466.16/577,495.26 = 255,132.09/x - Step 3: Cross multiply
418,466.16x = 577,495.26 × 255,132.09 - Step 4: Simplify right side
418,466.16x = 147,337,572,648.89 - Step 5: Solve for x
x = 147,337,572,648.89/418,466.16 - Step 6: Final answer
x = 352,089.58
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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.