Finding the Fourth Proportional to 478,319.99, 717,230.73 and 178,554.02
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Solution
The fourth proportional to 478,319.99, 717,230.73 and 178,554.02 is: 267,737.98
Step by Step Solution
- Step 1: Write the proportion equation
478,319.99 : 717,230.73 = 178,554.02 : x - Step 2: Convert to fraction form
478,319.99/717,230.73 = 178,554.02/x - Step 3: Cross multiply
478,319.99x = 717,230.73 × 178,554.02 - Step 4: Simplify right side
478,319.99x = 128,064,430,109.04 - Step 5: Solve for x
x = 128,064,430,109.04/478,319.99 - Step 6: Final answer
x = 267,737.98
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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.