Finding the Fourth Proportional to 402,378.48, 603,630.36 and 121,829.04
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Solution
The fourth proportional to 402,378.48, 603,630.36 and 121,829.04 is: 182,762.53
Step by Step Solution
- Step 1: Write the proportion equation
402,378.48 : 603,630.36 = 121,829.04 : x - Step 2: Convert to fraction form
402,378.48/603,630.36 = 121,829.04/x - Step 3: Cross multiply
402,378.48x = 603,630.36 × 121,829.04 - Step 4: Simplify right side
402,378.48x = 73,539,707,273.65 - Step 5: Solve for x
x = 73,539,707,273.65/402,378.48 - Step 6: Final answer
x = 182,762.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.