Finding the Fourth Proportional to 418,970.24, 628,553.76 and 138,487.48
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Solution
The fourth proportional to 418,970.24, 628,553.76 and 138,487.48 is: 207,763.75
Step by Step Solution
- Step 1: Write the proportion equation
418,970.24 : 628,553.76 = 138,487.48 : x - Step 2: Convert to fraction form
418,970.24/628,553.76 = 138,487.48/x - Step 3: Cross multiply
418,970.24x = 628,553.76 × 138,487.48 - Step 4: Simplify right side
418,970.24x = 87,046,826,266.92 - Step 5: Solve for x
x = 87,046,826,266.92/418,970.24 - Step 6: Final answer
x = 207,763.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.