Finding the Fourth Proportional to 899,537.40, 1,349,539.58 and 268,451.21
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Solution
The fourth proportional to 899,537.40, 1,349,539.58 and 268,451.21 is: 402,746.50
Step by Step Solution
- Step 1: Write the proportion equation
899,537.40 : 1,349,539.58 = 268,451.21 : x - Step 2: Convert to fraction form
899,537.40/1,349,539.58 = 268,451.21/x - Step 3: Cross multiply
899,537.40x = 1,349,539.58 × 268,451.21 - Step 4: Simplify right side
899,537.40x = 362,285,537,238.87 - Step 5: Solve for x
x = 362,285,537,238.87/899,537.40 - Step 6: Final answer
x = 402,746.50
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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.