Finding the Fourth Proportional to 457,136.73, 630,800.66 and 253,182.31
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Solution
The fourth proportional to 457,136.73, 630,800.66 and 253,182.31 is: 349,364.99
Step by Step Solution
- Step 1: Write the proportion equation
457,136.73 : 630,800.66 = 253,182.31 : x - Step 2: Convert to fraction form
457,136.73/630,800.66 = 253,182.31/x - Step 3: Cross multiply
457,136.73x = 630,800.66 × 253,182.31 - Step 4: Simplify right side
457,136.73x = 159,707,567,304.28 - Step 5: Solve for x
x = 159,707,567,304.28/457,136.73 - Step 6: Final answer
x = 349,364.99
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1.5x scale
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.