Finding the Fourth Proportional to 915,356.19, 1,373,126.55 and 241,484.07
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Solution
The fourth proportional to 915,356.19, 1,373,126.55 and 241,484.07 is: 362,250.45
Step by Step Solution
- Step 1: Write the proportion equation
915,356.19 : 1,373,126.55 = 241,484.07 : x - Step 2: Convert to fraction form
915,356.19/1,373,126.55 = 241,484.07/x - Step 3: Cross multiply
915,356.19x = 1,373,126.55 × 241,484.07 - Step 4: Simplify right side
915,356.19x = 331,588,187,919.06 - Step 5: Solve for x
x = 331,588,187,919.06/915,356.19 - Step 6: Final answer
x = 362,250.45
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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.