Finding the Fourth Proportional to 399,931.11, 600,118.10 and 239,613.08
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Solution
The fourth proportional to 399,931.11, 600,118.10 and 239,613.08 is: 359,552.28
Step by Step Solution
- Step 1: Write the proportion equation
399,931.11 : 600,118.10 = 239,613.08 : x - Step 2: Convert to fraction form
399,931.11/600,118.10 = 239,613.08/x - Step 3: Cross multiply
399,931.11x = 600,118.10 × 239,613.08 - Step 4: Simplify right side
399,931.11x = 143,796,142,106.09 - Step 5: Solve for x
x = 143,796,142,106.09/399,931.11 - Step 6: Final answer
x = 359,552.28
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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.