Finding the Fourth Proportional to 97,281.20, 145,921.80 and 62,289.20
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Solution
The fourth proportional to 97,281.20, 145,921.80 and 62,289.20 is: 93,433.80
Step by Step Solution
- Step 1: Write the proportion equation
97,281.20 : 145,921.80 = 62,289.20 : x - Step 2: Convert to fraction form
97,281.20/145,921.80 = 62,289.20/x - Step 3: Cross multiply
97,281.20x = 145,921.80 × 62,289.20 - Step 4: Simplify right side
97,281.20x = 9,089,352,184.56 - Step 5: Solve for x
x = 9,089,352,184.56/97,281.20 - Step 6: Final answer
x = 93,433.80
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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.