Finding the Fourth Proportional to 561,508.79, 842,170.91 and 201,605.13
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Solution
The fourth proportional to 561,508.79, 842,170.91 and 201,605.13 is: 302,374.57
Step by Step Solution
- Step 1: Write the proportion equation
561,508.79 : 842,170.91 = 201,605.13 : x - Step 2: Convert to fraction form
561,508.79/842,170.91 = 201,605.13/x - Step 3: Cross multiply
561,508.79x = 842,170.91 × 201,605.13 - Step 4: Simplify right side
561,508.79x = 169,785,974,784.74 - Step 5: Solve for x
x = 169,785,974,784.74/561,508.79 - Step 6: Final answer
x = 302,374.57
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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.