Finding the Fourth Proportional to 410,643.68, 566,682.28 and 229,358.18
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Solution
The fourth proportional to 410,643.68, 566,682.28 and 229,358.18 is: 316,510.94
Step by Step Solution
- Step 1: Write the proportion equation
410,643.68 : 566,682.28 = 229,358.18 : x - Step 2: Convert to fraction form
410,643.68/566,682.28 = 229,358.18/x - Step 3: Cross multiply
410,643.68x = 566,682.28 × 229,358.18 - Step 4: Simplify right side
410,643.68x = 129,973,217,222.36 - Step 5: Solve for x
x = 129,973,217,222.36/410,643.68 - Step 6: Final answer
x = 316,510.94
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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.