Finding the Fourth Proportional to 417,179.56, 575,544.98 and 272,155.84
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Solution
The fourth proportional to 417,179.56, 575,544.98 and 272,155.84 is: 375,468.84
Step by Step Solution
- Step 1: Write the proportion equation
417,179.56 : 575,544.98 = 272,155.84 : x - Step 2: Convert to fraction form
417,179.56/575,544.98 = 272,155.84/x - Step 3: Cross multiply
417,179.56x = 575,544.98 × 272,155.84 - Step 4: Simplify right side
417,179.56x = 156,637,927,489.68 - Step 5: Solve for x
x = 156,637,927,489.68/417,179.56 - Step 6: Final answer
x = 375,468.84
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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.