Finding the Fourth Proportional to 416,603.88, 574,970.58 and 255,430.44
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Solution
The fourth proportional to 416,603.88, 574,970.58 and 255,430.44 is: 352,529.09
Step by Step Solution
- Step 1: Write the proportion equation
416,603.88 : 574,970.58 = 255,430.44 : x - Step 2: Convert to fraction form
416,603.88/574,970.58 = 255,430.44/x - Step 3: Cross multiply
416,603.88x = 574,970.58 × 255,430.44 - Step 4: Simplify right side
416,603.88x = 146,864,988,236.46 - Step 5: Solve for x
x = 146,864,988,236.46/416,603.88 - Step 6: Final answer
x = 352,529.09
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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.