Finding the Fourth Proportional to 97,246.68, 134,211.15 and 56,419.80
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Solution
The fourth proportional to 97,246.68, 134,211.15 and 56,419.80 is: 77,865.55
Step by Step Solution
- Step 1: Write the proportion equation
97,246.68 : 134,211.15 = 56,419.80 : x - Step 2: Convert to fraction form
97,246.68/134,211.15 = 56,419.80/x - Step 3: Cross multiply
97,246.68x = 134,211.15 × 56,419.80 - Step 4: Simplify right side
97,246.68x = 7,572,166,240.77 - Step 5: Solve for x
x = 7,572,166,240.77/97,246.68 - Step 6: Final answer
x = 77,865.55
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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.