Finding the Fourth Proportional to 423,420.18, 634,299.84 and 245,553.51
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Solution
The fourth proportional to 423,420.18, 634,299.84 and 245,553.51 is: 367,848.67
Step by Step Solution
- Step 1: Write the proportion equation
423,420.18 : 634,299.84 = 245,553.51 : x - Step 2: Convert to fraction form
423,420.18/634,299.84 = 245,553.51/x - Step 3: Cross multiply
423,420.18x = 634,299.84 × 245,553.51 - Step 4: Simplify right side
423,420.18x = 155,754,552,104.44 - Step 5: Solve for x
x = 155,754,552,104.44/423,420.18 - Step 6: Final answer
x = 367,848.67
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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.