Finding the Fourth Proportional to 535,352.55, 738,787.58 and 293,637.09
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Solution
The fourth proportional to 535,352.55, 738,787.58 and 293,637.09 is: 405,219.76
Step by Step Solution
- Step 1: Write the proportion equation
535,352.55 : 738,787.58 = 293,637.09 : x - Step 2: Convert to fraction form
535,352.55/738,787.58 = 293,637.09/x - Step 3: Cross multiply
535,352.55x = 738,787.58 × 293,637.09 - Step 4: Simplify right side
535,352.55x = 216,935,433,651.16 - Step 5: Solve for x
x = 216,935,433,651.16/535,352.55 - Step 6: Final answer
x = 405,219.76
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1.5x scale
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.