Finding the Fourth Proportional to 507,407.09, 700,222.07 and 277,972.68
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Solution
The fourth proportional to 507,407.09, 700,222.07 and 277,972.68 is: 383,602.46
Step by Step Solution
- Step 1: Write the proportion equation
507,407.09 : 700,222.07 = 277,972.68 : x - Step 2: Convert to fraction form
507,407.09/700,222.07 = 277,972.68/x - Step 3: Cross multiply
507,407.09x = 700,222.07 × 277,972.68 - Step 4: Simplify right side
507,407.09x = 194,642,604,003.18 - Step 5: Solve for x
x = 194,642,604,003.18/507,407.09 - Step 6: Final answer
x = 383,602.46
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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.