Finding the Fourth Proportional to 368,324.48, 552,486.73 and 243,636.32
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Solution
The fourth proportional to 368,324.48, 552,486.73 and 243,636.32 is: 365,454.49
Step by Step Solution
- Step 1: Write the proportion equation
368,324.48 : 552,486.73 = 243,636.32 : x - Step 2: Convert to fraction form
368,324.48/552,486.73 = 243,636.32/x - Step 3: Cross multiply
368,324.48x = 552,486.73 × 243,636.32 - Step 4: Simplify right side
368,324.48x = 134,605,833,746.03 - Step 5: Solve for x
x = 134,605,833,746.03/368,324.48 - Step 6: Final answer
x = 365,454.49
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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.