Finding the Fourth Proportional to 415,281.74, 623,000.19 and 285,995.75
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Solution
The fourth proportional to 415,281.74, 623,000.19 and 285,995.75 is: 429,047.05
Step by Step Solution
- Step 1: Write the proportion equation
415,281.74 : 623,000.19 = 285,995.75 : x - Step 2: Convert to fraction form
415,281.74/623,000.19 = 285,995.75/x - Step 3: Cross multiply
415,281.74x = 623,000.19 × 285,995.75 - Step 4: Simplify right side
415,281.74x = 178,175,403,474.19 - Step 5: Solve for x
x = 178,175,403,474.19/415,281.74 - Step 6: Final answer
x = 429,047.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.