Finding the Fourth Proportional to 549,048.97, 757,695.32 and 316,347.31
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Solution
The fourth proportional to 549,048.97, 757,695.32 and 316,347.31 is: 436,563.75
Step by Step Solution
- Step 1: Write the proportion equation
549,048.97 : 757,695.32 = 316,347.31 : x - Step 2: Convert to fraction form
549,048.97/757,695.32 = 316,347.31/x - Step 3: Cross multiply
549,048.97x = 757,695.32 × 316,347.31 - Step 4: Simplify right side
549,048.97x = 239,694,875,178.22 - Step 5: Solve for x
x = 239,694,875,178.22/549,048.97 - Step 6: Final answer
x = 436,563.75
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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.