Finding the Fourth Proportional to 388,671.48, 581,690.34 and 239,006.52
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Solution
The fourth proportional to 388,671.48, 581,690.34 and 239,006.52 is: 357,699.99
Step by Step Solution
- Step 1: Write the proportion equation
388,671.48 : 581,690.34 = 239,006.52 : x - Step 2: Convert to fraction form
388,671.48/581,690.34 = 239,006.52/x - Step 3: Cross multiply
388,671.48x = 581,690.34 × 239,006.52 - Step 4: Simplify right side
388,671.48x = 139,027,783,881.02 - Step 5: Solve for x
x = 139,027,783,881.02/388,671.48 - Step 6: Final answer
x = 357,699.99
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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.