Finding the Fourth Proportional to 608,154.99, 839,387.12 and 353,652.99
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Solution
The fourth proportional to 608,154.99, 839,387.12 and 353,652.99 is: 488,118.60
Step by Step Solution
- Step 1: Write the proportion equation
608,154.99 : 839,387.12 = 353,652.99 : x - Step 2: Convert to fraction form
608,154.99/839,387.12 = 353,652.99/x - Step 3: Cross multiply
608,154.99x = 839,387.12 × 353,652.99 - Step 4: Simplify right side
608,154.99x = 296,851,762,987.22 - Step 5: Solve for x
x = 296,851,762,987.22/608,154.99 - Step 6: Final answer
x = 488,118.60
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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.