Finding the Fourth Proportional to 490,875.18, 736,313.73 and 135,890.25
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Solution
The fourth proportional to 490,875.18, 736,313.73 and 135,890.25 is: 203,835.64
Step by Step Solution
- Step 1: Write the proportion equation
490,875.18 : 736,313.73 = 135,890.25 : x - Step 2: Convert to fraction form
490,875.18/736,313.73 = 135,890.25/x - Step 3: Cross multiply
490,875.18x = 736,313.73 × 135,890.25 - Step 4: Simplify right side
490,875.18x = 100,057,856,848.13 - Step 5: Solve for x
x = 100,057,856,848.13/490,875.18 - Step 6: Final answer
x = 203,835.64
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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.