Finding the Fourth Proportional to 447,589.27, 617,681.05 and 243,646.05
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Solution
The fourth proportional to 447,589.27, 617,681.05 and 243,646.05 is: 336,235.83
Step by Step Solution
- Step 1: Write the proportion equation
447,589.27 : 617,681.05 = 243,646.05 : x - Step 2: Convert to fraction form
447,589.27/617,681.05 = 243,646.05/x - Step 3: Cross multiply
447,589.27x = 617,681.05 × 243,646.05 - Step 4: Simplify right side
447,589.27x = 150,495,547,383.24 - Step 5: Solve for x
x = 150,495,547,383.24/447,589.27 - Step 6: Final answer
x = 336,235.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.