Finding the Fourth Proportional to 424,392.66, 636,588.99 and 199,613.34
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Solution
The fourth proportional to 424,392.66, 636,588.99 and 199,613.34 is: 299,420.01
Step by Step Solution
- Step 1: Write the proportion equation
424,392.66 : 636,588.99 = 199,613.34 : x - Step 2: Convert to fraction form
424,392.66/636,588.99 = 199,613.34/x - Step 3: Cross multiply
424,392.66x = 636,588.99 × 199,613.34 - Step 4: Simplify right side
424,392.66x = 127,071,654,501.13 - Step 5: Solve for x
x = 127,071,654,501.13/424,392.66 - Step 6: Final answer
x = 299,420.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.