Finding the Fourth Proportional to 478,308.87, 717,551.60 and 197,847.99
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Solution
The fourth proportional to 478,308.87, 717,551.60 and 197,847.99 is: 296,808.51
Step by Step Solution
- Step 1: Write the proportion equation
478,308.87 : 717,551.60 = 197,847.99 : x - Step 2: Convert to fraction form
478,308.87/717,551.60 = 197,847.99/x - Step 3: Cross multiply
478,308.87x = 717,551.60 × 197,847.99 - Step 4: Simplify right side
478,308.87x = 141,966,140,792.04 - Step 5: Solve for x
x = 141,966,140,792.04/478,308.87 - Step 6: Final answer
x = 296,808.51
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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.