Finding the Fourth Proportional to 306,797,487.99, 423,368,301.43 and 172,832,283.58
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Solution
The fourth proportional to 306,797,487.99, 423,368,301.43 and 172,832,283.58 is: 238,501,660.53
Step by Step Solution
- Step 1: Write the proportion equation
306,797,487.99 : 423,368,301.43 = 172,832,283.58 : x - Step 2: Convert to fraction form
306,797,487.99/423,368,301.43 = 172,832,283.58/x - Step 3: Cross multiply
306,797,487.99x = 423,368,301.43 × 172,832,283.58 - Step 4: Simplify right side
306,797,487.99x = 73,171,710,330,994,608 - Step 5: Solve for x
x = 73,171,710,330,994,608/306,797,487.99 - Step 6: Final answer
x = 238,501,660.53
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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.