Finding the Fourth Proportional to 612,248.32, 918,381.65 and 233,189.99
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Solution
The fourth proportional to 612,248.32, 918,381.65 and 233,189.99 is: 349,788.47
Step by Step Solution
- Step 1: Write the proportion equation
612,248.32 : 918,381.65 = 233,189.99 : x - Step 2: Convert to fraction form
612,248.32/918,381.65 = 233,189.99/x - Step 3: Cross multiply
612,248.32x = 918,381.65 × 233,189.99 - Step 4: Simplify right side
612,248.32x = 214,157,405,465.76 - Step 5: Solve for x
x = 214,157,405,465.76/612,248.32 - Step 6: Final answer
x = 349,788.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.