Finding the Fourth Proportional to 458,758.60, 688,137.99 and 143,242.54
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Solution
The fourth proportional to 458,758.60, 688,137.99 and 143,242.54 is: 214,863.84
Step by Step Solution
- Step 1: Write the proportion equation
458,758.60 : 688,137.99 = 143,242.54 : x - Step 2: Convert to fraction form
458,758.60/688,137.99 = 143,242.54/x - Step 3: Cross multiply
458,758.60x = 688,137.99 × 143,242.54 - Step 4: Simplify right side
458,758.60x = 98,570,633,558.09 - Step 5: Solve for x
x = 98,570,633,558.09/458,758.60 - Step 6: Final answer
x = 214,863.84
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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.