Finding the Fourth Proportional to 602,372.13, 831,284.63 and 330,453.91
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Solution
The fourth proportional to 602,372.13, 831,284.63 and 330,453.91 is: 456,032.48
Step by Step Solution
- Step 1: Write the proportion equation
602,372.13 : 831,284.63 = 330,453.91 : x - Step 2: Convert to fraction form
602,372.13/831,284.63 = 330,453.91/x - Step 3: Cross multiply
602,372.13x = 831,284.63 × 330,453.91 - Step 4: Simplify right side
602,372.13x = 274,701,256,306.40 - Step 5: Solve for x
x = 274,701,256,306.40/602,372.13 - Step 6: Final answer
x = 456,032.48
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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.