Finding the Fourth Proportional to 461,502.03, 636,904.75 and 257,592.63
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Solution
The fourth proportional to 461,502.03, 636,904.75 and 257,592.63 is: 355,495.66
Step by Step Solution
- Step 1: Write the proportion equation
461,502.03 : 636,904.75 = 257,592.63 : x - Step 2: Convert to fraction form
461,502.03/636,904.75 = 257,592.63/x - Step 3: Cross multiply
461,502.03x = 636,904.75 × 257,592.63 - Step 4: Simplify right side
461,502.03x = 164,061,969,611.99 - Step 5: Solve for x
x = 164,061,969,611.99/461,502.03 - Step 6: Final answer
x = 355,495.66
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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.