Finding the Fourth Proportional to 549,048.21, 757,694.27 and 316,346.55
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Solution
The fourth proportional to 549,048.21, 757,694.27 and 316,346.55 is: 436,562.70
Step by Step Solution
- Step 1: Write the proportion equation
549,048.21 : 757,694.27 = 316,346.55 : x - Step 2: Convert to fraction form
549,048.21/757,694.27 = 316,346.55/x - Step 3: Cross multiply
549,048.21x = 757,694.27 × 316,346.55 - Step 4: Simplify right side
549,048.21x = 239,693,968,269.27 - Step 5: Solve for x
x = 239,693,968,269.27/549,048.21 - Step 6: Final answer
x = 436,562.70
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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.