Finding the Fourth Proportional to 250,496.07, 375,663.91 and 81,970.71
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Solution
The fourth proportional to 250,496.07, 375,663.91 and 81,970.71 is: 122,929.82
Step by Step Solution
- Step 1: Write the proportion equation
250,496.07 : 375,663.91 = 81,970.71 : x - Step 2: Convert to fraction form
250,496.07/375,663.91 = 81,970.71/x - Step 3: Cross multiply
250,496.07x = 375,663.91 × 81,970.71 - Step 4: Simplify right side
250,496.07x = 30,793,437,424.08 - Step 5: Solve for x
x = 30,793,437,424.08/250,496.07 - Step 6: Final answer
x = 122,929.82
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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.