Finding the Fourth Proportional to 657,331.14, 907,117.02 and 355,525.14
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Solution
The fourth proportional to 657,331.14, 907,117.02 and 355,525.14 is: 490,624.72
Step by Step Solution
- Step 1: Write the proportion equation
657,331.14 : 907,117.02 = 355,525.14 : x - Step 2: Convert to fraction form
657,331.14/907,117.02 = 355,525.14/x - Step 3: Cross multiply
657,331.14x = 907,117.02 × 355,525.14 - Step 4: Simplify right side
657,331.14x = 322,502,905,531.88 - Step 5: Solve for x
x = 322,502,905,531.88/657,331.14 - Step 6: Final answer
x = 490,624.72
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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.