Finding the Fourth Proportional to 163,748.67, 245,622.99 and 45,420.02
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Solution
The fourth proportional to 163,748.67, 245,622.99 and 45,420.02 is: 68,130.02
Step by Step Solution
- Step 1: Write the proportion equation
163,748.67 : 245,622.99 = 45,420.02 : x - Step 2: Convert to fraction form
163,748.67/245,622.99 = 45,420.02/x - Step 3: Cross multiply
163,748.67x = 245,622.99 × 45,420.02 - Step 4: Simplify right side
163,748.67x = 11,156,199,890.14 - Step 5: Solve for x
x = 11,156,199,890.14/163,748.67 - Step 6: Final answer
x = 68,130.02
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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.