Finding the Fourth Proportional to 163,829.08, 245,831.92 and 69,124.90
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Solution
The fourth proportional to 163,829.08, 245,831.92 and 69,124.90 is: 103,724.61
Step by Step Solution
- Step 1: Write the proportion equation
163,829.08 : 245,831.92 = 69,124.90 : x - Step 2: Convert to fraction form
163,829.08/245,831.92 = 69,124.90/x - Step 3: Cross multiply
163,829.08x = 245,831.92 × 69,124.90 - Step 4: Simplify right side
163,829.08x = 16,993,106,886.81 - Step 5: Solve for x
x = 16,993,106,886.81/163,829.08 - Step 6: Final answer
x = 103,724.61
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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.