Finding the Fourth Proportional to 148,303.99, 204,672.11 and 83,785.08
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Solution
The fourth proportional to 148,303.99, 204,672.11 and 83,785.08 is: 115,630.53
Step by Step Solution
- Step 1: Write the proportion equation
148,303.99 : 204,672.11 = 83,785.08 : x - Step 2: Convert to fraction form
148,303.99/204,672.11 = 83,785.08/x - Step 3: Cross multiply
148,303.99x = 204,672.11 × 83,785.08 - Step 4: Simplify right side
148,303.99x = 17,148,467,667.83 - Step 5: Solve for x
x = 17,148,467,667.83/148,303.99 - Step 6: Final answer
x = 115,630.53
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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.