Finding the Fourth Proportional to 163,813.19, 245,719.88 and 45,484.53
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Solution
The fourth proportional to 163,813.19, 245,719.88 and 45,484.53 is: 68,226.82
Step by Step Solution
- Step 1: Write the proportion equation
163,813.19 : 245,719.88 = 45,484.53 : x - Step 2: Convert to fraction form
163,813.19/245,719.88 = 45,484.53/x - Step 3: Cross multiply
163,813.19x = 245,719.88 × 45,484.53 - Step 4: Simplify right side
163,813.19x = 11,176,453,026.03 - Step 5: Solve for x
x = 11,176,453,026.03/163,813.19 - Step 6: Final answer
x = 68,226.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.