Finding the Fourth Proportional to 549,841.42, 758,790.35 and 308,177.92
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Solution
The fourth proportional to 549,841.42, 758,790.35 and 308,177.92 is: 425,290.68
Step by Step Solution
- Step 1: Write the proportion equation
549,841.42 : 758,790.35 = 308,177.92 : x - Step 2: Convert to fraction form
549,841.42/758,790.35 = 308,177.92/x - Step 3: Cross multiply
549,841.42x = 758,790.35 × 308,177.92 - Step 4: Simplify right side
549,841.42x = 233,842,431,779.07 - Step 5: Solve for x
x = 233,842,431,779.07/549,841.42 - Step 6: Final answer
x = 425,290.68
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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.