Finding the Fourth Proportional to 459,325.08, 688,943.06 and 139,479.71
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Solution
The fourth proportional to 459,325.08, 688,943.06 and 139,479.71 is: 209,206.03
Step by Step Solution
- Step 1: Write the proportion equation
459,325.08 : 688,943.06 = 139,479.71 : x - Step 2: Convert to fraction form
459,325.08/688,943.06 = 139,479.71/x - Step 3: Cross multiply
459,325.08x = 688,943.06 × 139,479.71 - Step 4: Simplify right side
459,325.08x = 96,093,578,215.31 - Step 5: Solve for x
x = 96,093,578,215.31/459,325.08 - Step 6: Final answer
x = 209,206.03
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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.