Finding the Fourth Proportional to 457,246.18, 630,991.45 and 253,296.48
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Solution
The fourth proportional to 457,246.18, 630,991.45 and 253,296.48 is: 349,544.56
Step by Step Solution
- Step 1: Write the proportion equation
457,246.18 : 630,991.45 = 253,296.48 : x - Step 2: Convert to fraction form
457,246.18/630,991.45 = 253,296.48/x - Step 3: Cross multiply
457,246.18x = 630,991.45 × 253,296.48 - Step 4: Simplify right side
457,246.18x = 159,827,915,877.94 - Step 5: Solve for x
x = 159,827,915,877.94/457,246.18 - Step 6: Final answer
x = 349,544.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.