Finding the Fourth Proportional to 451,624.80, 623,323.44 and 260,611.68
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Solution
The fourth proportional to 451,624.80, 623,323.44 and 260,611.68 is: 359,690.98
Step by Step Solution
- Step 1: Write the proportion equation
451,624.80 : 623,323.44 = 260,611.68 : x - Step 2: Convert to fraction form
451,624.80/623,323.44 = 260,611.68/x - Step 3: Cross multiply
451,624.80x = 623,323.44 × 260,611.68 - Step 4: Simplify right side
451,624.80x = 162,445,368,881.78 - Step 5: Solve for x
x = 162,445,368,881.78/451,624.80 - Step 6: Final answer
x = 359,690.98
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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.