Finding the Fourth Proportional to 461,461.86, 636,816.17 and 257,510.62
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Solution
The fourth proportional to 461,461.86, 636,816.17 and 257,510.62 is: 355,363.99
Step by Step Solution
- Step 1: Write the proportion equation
461,461.86 : 636,816.17 = 257,510.62 : x - Step 2: Convert to fraction form
461,461.86/636,816.17 = 257,510.62/x - Step 3: Cross multiply
461,461.86x = 636,816.17 × 257,510.62 - Step 4: Simplify right side
461,461.86x = 163,986,925,814.46 - Step 5: Solve for x
x = 163,986,925,814.46/461,461.86 - Step 6: Final answer
x = 355,363.99
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1.5x scale
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.