Finding the Fourth Proportional to 399,506.26, 550,605.71 and 302,477.66
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Solution
The fourth proportional to 399,506.26, 550,605.71 and 302,477.66 is: 416,879.39
Step by Step Solution
- Step 1: Write the proportion equation
399,506.26 : 550,605.71 = 302,477.66 : x - Step 2: Convert to fraction form
399,506.26/550,605.71 = 302,477.66/x - Step 3: Cross multiply
399,506.26x = 550,605.71 × 302,477.66 - Step 4: Simplify right side
399,506.26x = 166,545,926,743.44 - Step 5: Solve for x
x = 166,545,926,743.44/399,506.26 - Step 6: Final answer
x = 416,879.39
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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.