Finding the Fourth Proportional to 454,323.74, 626,994.16 and 250,374.12
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Solution
The fourth proportional to 454,323.74, 626,994.16 and 250,374.12 is: 345,531.38
Step by Step Solution
- Step 1: Write the proportion equation
454,323.74 : 626,994.16 = 250,374.12 : x - Step 2: Convert to fraction form
454,323.74/626,994.16 = 250,374.12/x - Step 3: Cross multiply
454,323.74x = 626,994.16 × 250,374.12 - Step 4: Simplify right side
454,323.74x = 156,983,111,055.14 - Step 5: Solve for x
x = 156,983,111,055.14/454,323.74 - Step 6: Final answer
x = 345,531.38
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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.