Finding the Fourth Proportional to 275,466.99, 413,421.93 and 142,386.24
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Solution
The fourth proportional to 275,466.99, 413,421.93 and 142,386.24 is: 213,693.82
Step by Step Solution
- Step 1: Write the proportion equation
275,466.99 : 413,421.93 = 142,386.24 : x - Step 2: Convert to fraction form
275,466.99/413,421.93 = 142,386.24/x - Step 3: Cross multiply
275,466.99x = 413,421.93 × 142,386.24 - Step 4: Simplify right side
275,466.99x = 58,865,594,146.24 - Step 5: Solve for x
x = 58,865,594,146.24/275,466.99 - Step 6: Final answer
x = 213,693.82
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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.