Finding the Fourth Proportional to 490,011.64, 734,861.86 and 157,509.88
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Solution
The fourth proportional to 490,011.64, 734,861.86 and 157,509.88 is: 236,214.80
Step by Step Solution
- Step 1: Write the proportion equation
490,011.64 : 734,861.86 = 157,509.88 : x - Step 2: Convert to fraction form
490,011.64/734,861.86 = 157,509.88/x - Step 3: Cross multiply
490,011.64x = 734,861.86 × 157,509.88 - Step 4: Simplify right side
490,011.64x = 115,748,003,385.18 - Step 5: Solve for x
x = 115,748,003,385.18/490,011.64 - Step 6: Final answer
x = 236,214.80
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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.