Finding the Fourth Proportional to 513,407.07, 708,198.93 and 322,088.31
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Solution
The fourth proportional to 513,407.07, 708,198.93 and 322,088.31 is: 444,291.89
Step by Step Solution
- Step 1: Write the proportion equation
513,407.07 : 708,198.93 = 322,088.31 : x - Step 2: Convert to fraction form
513,407.07/708,198.93 = 322,088.31/x - Step 3: Cross multiply
513,407.07x = 708,198.93 × 322,088.31 - Step 4: Simplify right side
513,407.07x = 228,102,596,507.51 - Step 5: Solve for x
x = 228,102,596,507.51/513,407.07 - Step 6: Final answer
x = 444,291.89
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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.