Finding the Fourth Proportional to 561,071.08, 774,248.10 and 306,372.52
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Solution
The fourth proportional to 561,071.08, 774,248.10 and 306,372.52 is: 422,777.70
Step by Step Solution
- Step 1: Write the proportion equation
561,071.08 : 774,248.10 = 306,372.52 : x - Step 2: Convert to fraction form
561,071.08/774,248.10 = 306,372.52/x - Step 3: Cross multiply
561,071.08x = 774,248.10 × 306,372.52 - Step 4: Simplify right side
561,071.08x = 237,208,341,502.21 - Step 5: Solve for x
x = 237,208,341,502.21/561,071.08 - Step 6: Final answer
x = 422,777.70
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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.