Finding the Fourth Proportional to 475,090.40, 713,038.80 and 194,808.80
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Solution
The fourth proportional to 475,090.40, 713,038.80 and 194,808.80 is: 292,378.53
Step by Step Solution
- Step 1: Write the proportion equation
475,090.40 : 713,038.80 = 194,808.80 : x - Step 2: Convert to fraction form
475,090.40/713,038.80 = 194,808.80/x - Step 3: Cross multiply
475,090.40x = 713,038.80 × 194,808.80 - Step 4: Simplify right side
475,090.40x = 138,906,232,981.44 - Step 5: Solve for x
x = 138,906,232,981.44/475,090.40 - Step 6: Final answer
x = 292,378.53
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1.5x scale
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.