Finding the Fourth Proportional to 457,430.63, 630,466.16 and 304,194.96
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Solution
The fourth proportional to 457,430.63, 630,466.16 and 304,194.96 is: 419,264.95
Step by Step Solution
- Step 1: Write the proportion equation
457,430.63 : 630,466.16 = 304,194.96 : x - Step 2: Convert to fraction form
457,430.63/630,466.16 = 304,194.96/x - Step 3: Cross multiply
457,430.63x = 630,466.16 × 304,194.96 - Step 4: Simplify right side
457,430.63x = 191,784,626,801.58 - Step 5: Solve for x
x = 191,784,626,801.58/457,430.63 - Step 6: Final answer
x = 419,264.95
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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.