Finding the Fourth Proportional to 499,368.42, 749,089.08 and 144,384.30
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Solution
The fourth proportional to 499,368.42, 749,089.08 and 144,384.30 is: 216,586.99
Step by Step Solution
- Step 1: Write the proportion equation
499,368.42 : 749,089.08 = 144,384.30 : x - Step 2: Convert to fraction form
499,368.42/749,089.08 = 144,384.30/x - Step 3: Cross multiply
499,368.42x = 749,089.08 × 144,384.30 - Step 4: Simplify right side
499,368.42x = 108,156,702,453.44 - Step 5: Solve for x
x = 108,156,702,453.44/499,368.42 - Step 6: Final answer
x = 216,586.99
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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.