Finding the Fourth Proportional to 163,752.68, 245,628.98 and 45,424.02
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Solution
The fourth proportional to 163,752.68, 245,628.98 and 45,424.02 is: 68,136.02
Step by Step Solution
- Step 1: Write the proportion equation
163,752.68 : 245,628.98 = 45,424.02 : x - Step 2: Convert to fraction form
163,752.68/245,628.98 = 45,424.02/x - Step 3: Cross multiply
163,752.68x = 245,628.98 × 45,424.02 - Step 4: Simplify right side
163,752.68x = 11,157,455,700.10 - Step 5: Solve for x
x = 11,157,455,700.10/163,752.68 - Step 6: Final answer
x = 68,136.02
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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.