Finding the Fourth Proportional to 637,628.13, 956,409.21 and 238,237.38
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Solution
The fourth proportional to 637,628.13, 956,409.21 and 238,237.38 is: 357,343.75
Step by Step Solution
- Step 1: Write the proportion equation
637,628.13 : 956,409.21 = 238,237.38 : x - Step 2: Convert to fraction form
637,628.13/956,409.21 = 238,237.38/x - Step 3: Cross multiply
637,628.13x = 956,409.21 × 238,237.38 - Step 4: Simplify right side
637,628.13x = 227,852,424,398.27 - Step 5: Solve for x
x = 227,852,424,398.27/637,628.13 - Step 6: Final answer
x = 357,343.75
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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.