Finding the Fourth Proportional to 578,581.99, 868,011.55 and 241,435.09
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Solution
The fourth proportional to 578,581.99, 868,011.55 and 241,435.09 is: 362,210.46
Step by Step Solution
- Step 1: Write the proportion equation
578,581.99 : 868,011.55 = 241,435.09 : x - Step 2: Convert to fraction form
578,581.99/868,011.55 = 241,435.09/x - Step 3: Cross multiply
578,581.99x = 868,011.55 × 241,435.09 - Step 4: Simplify right side
578,581.99x = 209,568,446,695.29 - Step 5: Solve for x
x = 209,568,446,695.29/578,581.99 - Step 6: Final answer
x = 362,210.46
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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.