Finding the Fourth Proportional to 913,412.10, 1,370,118.15 and 248,564.10
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Solution
The fourth proportional to 913,412.10, 1,370,118.15 and 248,564.10 is: 372,846.15
Step by Step Solution
- Step 1: Write the proportion equation
913,412.10 : 1,370,118.15 = 248,564.10 : x - Step 2: Convert to fraction form
913,412.10/1,370,118.15 = 248,564.10/x - Step 3: Cross multiply
913,412.10x = 1,370,118.15 × 248,564.10 - Step 4: Simplify right side
913,412.10x = 340,562,184,848.42 - Step 5: Solve for x
x = 340,562,184,848.42/913,412.10 - Step 6: Final answer
x = 372,846.15
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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.