Finding the Fourth Proportional to 436,637.05, 602,516.24 and 245,646.34
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Solution
The fourth proportional to 436,637.05, 602,516.24 and 245,646.34 is: 338,967.82
Step by Step Solution
- Step 1: Write the proportion equation
436,637.05 : 602,516.24 = 245,646.34 : x - Step 2: Convert to fraction form
436,637.05/602,516.24 = 245,646.34/x - Step 3: Cross multiply
436,637.05x = 602,516.24 × 245,646.34 - Step 4: Simplify right side
436,637.05x = 148,005,907,918.33 - Step 5: Solve for x
x = 148,005,907,918.33/436,637.05 - Step 6: Final answer
x = 338,967.82
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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.