Finding the Fourth Proportional to 493,784.88, 681,424.08 and 267,430.44
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Solution
The fourth proportional to 493,784.88, 681,424.08 and 267,430.44 is: 369,054.52
Step by Step Solution
- Step 1: Write the proportion equation
493,784.88 : 681,424.08 = 267,430.44 : x - Step 2: Convert to fraction form
493,784.88/681,424.08 = 267,430.44/x - Step 3: Cross multiply
493,784.88x = 681,424.08 × 267,430.44 - Step 4: Simplify right side
493,784.88x = 182,233,541,541.00 - Step 5: Solve for x
x = 182,233,541,541.00/493,784.88 - Step 6: Final answer
x = 369,054.52
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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.