Finding the Fourth Proportional to 447,415.04, 617,415.36 and 256,292.48
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Solution
The fourth proportional to 447,415.04, 617,415.36 and 256,292.48 is: 353,673.66
Step by Step Solution
- Step 1: Write the proportion equation
447,415.04 : 617,415.36 = 256,292.48 : x - Step 2: Convert to fraction form
447,415.04/617,415.36 = 256,292.48/x - Step 3: Cross multiply
447,415.04x = 617,415.36 × 256,292.48 - Step 4: Simplify right side
447,415.04x = 158,238,913,804.49 - Step 5: Solve for x
x = 158,238,913,804.49/447,415.04 - Step 6: Final answer
x = 353,673.66
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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.