Finding the Fourth Proportional to 554,421.24, 765,101.61 and 299,772.18
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Solution
The fourth proportional to 554,421.24, 765,101.61 and 299,772.18 is: 413,685.77
Step by Step Solution
- Step 1: Write the proportion equation
554,421.24 : 765,101.61 = 299,772.18 : x - Step 2: Convert to fraction form
554,421.24/765,101.61 = 299,772.18/x - Step 3: Cross multiply
554,421.24x = 765,101.61 × 299,772.18 - Step 4: Simplify right side
554,421.24x = 229,356,177,551.21 - Step 5: Solve for x
x = 229,356,177,551.21/554,421.24 - Step 6: Final answer
x = 413,685.77
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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.