Finding the Fourth Proportional to 409,320.71, 564,862.93 and 228,033.09
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Solution
The fourth proportional to 409,320.71, 564,862.93 and 228,033.09 is: 314,685.86
Step by Step Solution
- Step 1: Write the proportion equation
409,320.71 : 564,862.93 = 228,033.09 : x - Step 2: Convert to fraction form
409,320.71/564,862.93 = 228,033.09/x - Step 3: Cross multiply
409,320.71x = 564,862.93 × 228,033.09 - Step 4: Simplify right side
409,320.71x = 128,807,440,066.96 - Step 5: Solve for x
x = 128,807,440,066.96/409,320.71 - Step 6: Final answer
x = 314,685.86
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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.