Finding the Fourth Proportional to 459,326.08, 688,944.56 and 139,480.71
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Solution
The fourth proportional to 459,326.08, 688,944.56 and 139,480.71 is: 209,207.53
Step by Step Solution
- Step 1: Write the proportion equation
459,326.08 : 688,944.56 = 139,480.71 : x - Step 2: Convert to fraction form
459,326.08/688,944.56 = 139,480.71/x - Step 3: Cross multiply
459,326.08x = 688,944.56 × 139,480.71 - Step 4: Simplify right side
459,326.08x = 96,094,476,379.44 - Step 5: Solve for x
x = 96,094,476,379.44/459,326.08 - Step 6: Final answer
x = 209,207.53
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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.