Finding the Fourth Proportional to 359,007.42, 495,421.68 and 195,669.09
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Solution
The fourth proportional to 359,007.42, 495,421.68 and 195,669.09 is: 270,018.68
Step by Step Solution
- Step 1: Write the proportion equation
359,007.42 : 495,421.68 = 195,669.09 : x - Step 2: Convert to fraction form
359,007.42/495,421.68 = 195,669.09/x - Step 3: Cross multiply
359,007.42x = 495,421.68 × 195,669.09 - Step 4: Simplify right side
359,007.42x = 96,938,709,291.87 - Step 5: Solve for x
x = 96,938,709,291.87/359,007.42 - Step 6: Final answer
x = 270,018.68
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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.