Finding the Fourth Proportional to 458,029.63, 687,091.65 and 158,509.77
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Solution
The fourth proportional to 458,029.63, 687,091.65 and 158,509.77 is: 237,780.99
Step by Step Solution
- Step 1: Write the proportion equation
458,029.63 : 687,091.65 = 158,509.77 : x - Step 2: Convert to fraction form
458,029.63/687,091.65 = 158,509.77/x - Step 3: Cross multiply
458,029.63x = 687,091.65 × 158,509.77 - Step 4: Simplify right side
458,029.63x = 108,910,739,410.42 - Step 5: Solve for x
x = 108,910,739,410.42/458,029.63 - Step 6: Final answer
x = 237,780.99
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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.