Finding the Fourth Proportional to 478,762.83, 717,899.49 and 158,799.21
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Solution
The fourth proportional to 478,762.83, 717,899.49 and 158,799.21 is: 238,117.63
Step by Step Solution
- Step 1: Write the proportion equation
478,762.83 : 717,899.49 = 158,799.21 : x - Step 2: Convert to fraction form
478,762.83/717,899.49 = 158,799.21/x - Step 3: Cross multiply
478,762.83x = 717,899.49 × 158,799.21 - Step 4: Simplify right side
478,762.83x = 114,001,871,871.40 - Step 5: Solve for x
x = 114,001,871,871.40/478,762.83 - Step 6: Final answer
x = 238,117.63
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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.