Finding the Fourth Proportional to 338,304.72, 507,393.57 and 169,779.84
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Solution
The fourth proportional to 338,304.72, 507,393.57 and 169,779.84 is: 254,637.89
Step by Step Solution
- Step 1: Write the proportion equation
338,304.72 : 507,393.57 = 169,779.84 : x - Step 2: Convert to fraction form
338,304.72/507,393.57 = 169,779.84/x - Step 3: Cross multiply
338,304.72x = 507,393.57 × 169,779.84 - Step 4: Simplify right side
338,304.72x = 86,145,199,131.63 - Step 5: Solve for x
x = 86,145,199,131.63/338,304.72 - Step 6: Final answer
x = 254,637.89
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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.