Finding the Fourth Proportional to 168,952.64, 253,485.26 and 56,643.96
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Solution
The fourth proportional to 168,952.64, 253,485.26 and 56,643.96 is: 84,984.82
Step by Step Solution
- Step 1: Write the proportion equation
168,952.64 : 253,485.26 = 56,643.96 : x - Step 2: Convert to fraction form
168,952.64/253,485.26 = 56,643.96/x - Step 3: Cross multiply
168,952.64x = 253,485.26 × 56,643.96 - Step 4: Simplify right side
168,952.64x = 14,358,408,928.03 - Step 5: Solve for x
x = 14,358,408,928.03/168,952.64 - Step 6: Final answer
x = 84,984.82
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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.