Finding the Fourth Proportional to 493,689.08, 681,297.54 and 275,888.18
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Solution
The fourth proportional to 493,689.08, 681,297.54 and 275,888.18 is: 380,729.38
Step by Step Solution
- Step 1: Write the proportion equation
493,689.08 : 681,297.54 = 275,888.18 : x - Step 2: Convert to fraction form
493,689.08/681,297.54 = 275,888.18/x - Step 3: Cross multiply
493,689.08x = 681,297.54 × 275,888.18 - Step 4: Simplify right side
493,689.08x = 187,961,938,349.08 - Step 5: Solve for x
x = 187,961,938,349.08/493,689.08 - Step 6: Final answer
x = 380,729.38
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1.5x scale
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.