Finding the Fourth Proportional to 549,214.42, 757,851.08 and 316,638.74
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Solution
The fourth proportional to 549,214.42, 757,851.08 and 316,638.74 is: 436,924.09
Step by Step Solution
- Step 1: Write the proportion equation
549,214.42 : 757,851.08 = 316,638.74 : x - Step 2: Convert to fraction form
549,214.42/757,851.08 = 316,638.74/x - Step 3: Cross multiply
549,214.42x = 757,851.08 × 316,638.74 - Step 4: Simplify right side
549,214.42x = 239,965,011,078.84 - Step 5: Solve for x
x = 239,965,011,078.84/549,214.42 - Step 6: Final answer
x = 436,924.09
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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.