Finding the Fourth Proportional to 97,358.52, 134,376.39 and 63,307.74
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Solution
The fourth proportional to 97,358.52, 134,376.39 and 63,307.74 is: 87,378.75
Step by Step Solution
- Step 1: Write the proportion equation
97,358.52 : 134,376.39 = 63,307.74 : x - Step 2: Convert to fraction form
97,358.52/134,376.39 = 63,307.74/x - Step 3: Cross multiply
97,358.52x = 134,376.39 × 63,307.74 - Step 4: Simplify right side
97,358.52x = 8,507,065,560.26 - Step 5: Solve for x
x = 8,507,065,560.26/97,358.52 - Step 6: Final answer
x = 87,378.75
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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.