Finding the Fourth Proportional to 426,558.58, 639,345.72 and 160,149.18
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Solution
The fourth proportional to 426,558.58, 639,345.72 and 160,149.18 is: 240,038.99
Step by Step Solution
- Step 1: Write the proportion equation
426,558.58 : 639,345.72 = 160,149.18 : x - Step 2: Convert to fraction form
426,558.58/639,345.72 = 160,149.18/x - Step 3: Cross multiply
426,558.58x = 639,345.72 × 160,149.18 - Step 4: Simplify right side
426,558.58x = 102,390,692,794.51 - Step 5: Solve for x
x = 102,390,692,794.51/426,558.58 - Step 6: Final answer
x = 240,038.99
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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.