Finding the Fourth Proportional to 97,219.80, 134,188.28 and 63,312.80
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Solution
The fourth proportional to 97,219.80, 134,188.28 and 63,312.80 is: 87,387.92
Step by Step Solution
- Step 1: Write the proportion equation
97,219.80 : 134,188.28 = 63,312.80 : x - Step 2: Convert to fraction form
97,219.80/134,188.28 = 63,312.80/x - Step 3: Cross multiply
97,219.80x = 134,188.28 × 63,312.80 - Step 4: Simplify right side
97,219.80x = 8,495,835,733.98 - Step 5: Solve for x
x = 8,495,835,733.98/97,219.80 - Step 6: Final answer
x = 87,387.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.