Finding the Fourth Proportional to 533,349.73, 735,962.35 and 315,565.09
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Solution
The fourth proportional to 533,349.73, 735,962.35 and 315,565.09 is: 435,444.15
Step by Step Solution
- Step 1: Write the proportion equation
533,349.73 : 735,962.35 = 315,565.09 : x - Step 2: Convert to fraction form
533,349.73/735,962.35 = 315,565.09/x - Step 3: Cross multiply
533,349.73x = 735,962.35 × 315,565.09 - Step 4: Simplify right side
533,349.73x = 232,244,019,956.72 - Step 5: Solve for x
x = 232,244,019,956.72/533,349.73 - Step 6: Final answer
x = 435,444.15
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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.