Finding the Fourth Proportional to 492,549.99, 679,703.58 and 277,686.96
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Solution
The fourth proportional to 492,549.99, 679,703.58 and 277,686.96 is: 383,199.32
Step by Step Solution
- Step 1: Write the proportion equation
492,549.99 : 679,703.58 = 277,686.96 : x - Step 2: Convert to fraction form
492,549.99/679,703.58 = 277,686.96/x - Step 3: Cross multiply
492,549.99x = 679,703.58 × 277,686.96 - Step 4: Simplify right side
492,549.99x = 188,744,820,831.32 - Step 5: Solve for x
x = 188,744,820,831.32/492,549.99 - Step 6: Final answer
x = 383,199.32
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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.