Finding the Fourth Proportional to 399,612.06, 596,502.95 and 349,166.12
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Solution
The fourth proportional to 399,612.06, 596,502.95 and 349,166.12 is: 521,202.03
Step by Step Solution
- Step 1: Write the proportion equation
399,612.06 : 596,502.95 = 349,166.12 : x - Step 2: Convert to fraction form
399,612.06/596,502.95 = 349,166.12/x - Step 3: Cross multiply
399,612.06x = 596,502.95 × 349,166.12 - Step 4: Simplify right side
399,612.06x = 208,278,615,891.71 - Step 5: Solve for x
x = 208,278,615,891.71/399,612.06 - Step 6: Final answer
x = 521,202.03
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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.