Finding the Fourth Proportional to 452,210.07, 678,315.12 and 171,727.32
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Solution
The fourth proportional to 452,210.07, 678,315.12 and 171,727.32 is: 257,590.99
Step by Step Solution
- Step 1: Write the proportion equation
452,210.07 : 678,315.12 = 171,727.32 : x - Step 2: Convert to fraction form
452,210.07/678,315.12 = 171,727.32/x - Step 3: Cross multiply
452,210.07x = 678,315.12 × 171,727.32 - Step 4: Simplify right side
452,210.07x = 116,485,237,673.08 - Step 5: Solve for x
x = 116,485,237,673.08/452,210.07 - Step 6: Final answer
x = 257,590.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.