Finding the Fourth Proportional to 370,009.30, 554,673.75 and 133,294.09
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Solution
The fourth proportional to 370,009.30, 554,673.75 and 133,294.09 is: 199,818.58
Step by Step Solution
- Step 1: Write the proportion equation
370,009.30 : 554,673.75 = 133,294.09 : x - Step 2: Convert to fraction form
370,009.30/554,673.75 = 133,294.09/x - Step 3: Cross multiply
370,009.30x = 554,673.75 × 133,294.09 - Step 4: Simplify right side
370,009.30x = 73,934,732,753.14 - Step 5: Solve for x
x = 73,934,732,753.14/370,009.30 - Step 6: Final answer
x = 199,818.58
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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.