Finding the Fourth Proportional to 411,476.05, 567,823.74 and 230,184.08
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Solution
The fourth proportional to 411,476.05, 567,823.74 and 230,184.08 is: 317,646.64
Step by Step Solution
- Step 1: Write the proportion equation
411,476.05 : 567,823.74 = 230,184.08 : x - Step 2: Convert to fraction form
411,476.05/567,823.74 = 230,184.08/x - Step 3: Cross multiply
411,476.05x = 567,823.74 × 230,184.08 - Step 4: Simplify right side
411,476.05x = 130,703,983,621.09 - Step 5: Solve for x
x = 130,703,983,621.09/411,476.05 - Step 6: Final answer
x = 317,646.64
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1.5x scale
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.