Finding the Fourth Proportional to 163,901.55, 245,433.93 and 130,670.08
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Solution
The fourth proportional to 163,901.55, 245,433.93 and 130,670.08 is: 195,671.56
Step by Step Solution
- Step 1: Write the proportion equation
163,901.55 : 245,433.93 = 130,670.08 : x - Step 2: Convert to fraction form
163,901.55/245,433.93 = 130,670.08/x - Step 3: Cross multiply
163,901.55x = 245,433.93 × 130,670.08 - Step 4: Simplify right side
163,901.55x = 32,070,871,267.81 - Step 5: Solve for x
x = 32,070,871,267.81/163,901.55 - Step 6: Final answer
x = 195,671.56
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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.