Finding the Fourth Proportional to 447,631.08, 617,813.70 and 256,645.80
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Solution
The fourth proportional to 447,631.08, 617,813.70 and 256,645.80 is: 354,218.68
Step by Step Solution
- Step 1: Write the proportion equation
447,631.08 : 617,813.70 = 256,645.80 : x - Step 2: Convert to fraction form
447,631.08/617,813.70 = 256,645.80/x - Step 3: Cross multiply
447,631.08x = 617,813.70 × 256,645.80 - Step 4: Simplify right side
447,631.08x = 158,559,291,287.46 - Step 5: Solve for x
x = 158,559,291,287.46/447,631.08 - Step 6: Final answer
x = 354,218.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.