Finding the Fourth Proportional to 399,621.06, 596,516.36 and 349,175.12
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Solution
The fourth proportional to 399,621.06, 596,516.36 and 349,175.12 is: 521,215.44
Step by Step Solution
- Step 1: Write the proportion equation
399,621.06 : 596,516.36 = 349,175.12 : x - Step 2: Convert to fraction form
399,621.06/596,516.36 = 349,175.12/x - Step 3: Cross multiply
399,621.06x = 596,516.36 × 349,175.12 - Step 4: Simplify right side
399,621.06x = 208,288,666,856.51 - Step 5: Solve for x
x = 208,288,666,856.51/399,621.06 - Step 6: Final answer
x = 521,215.44
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.