Finding the Fourth Proportional to 73,497.60, 110,246.40 and 42,307.20
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Solution
The fourth proportional to 73,497.60, 110,246.40 and 42,307.20 is: 63,460.80
Step by Step Solution
- Step 1: Write the proportion equation
73,497.60 : 110,246.40 = 42,307.20 : x - Step 2: Convert to fraction form
73,497.60/110,246.40 = 42,307.20/x - Step 3: Cross multiply
73,497.60x = 110,246.40 × 42,307.20 - Step 4: Simplify right side
73,497.60x = 4,664,216,494.08 - Step 5: Solve for x
x = 4,664,216,494.08/73,497.60 - Step 6: Final answer
x = 63,460.80
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1.5x scale
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.