Finding the Fourth Proportional to 461,946.24, 637,243.20 and 291,885.12
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Solution
The fourth proportional to 461,946.24, 637,243.20 and 291,885.12 is: 402,648.17
Step by Step Solution
- Step 1: Write the proportion equation
461,946.24 : 637,243.20 = 291,885.12 : x - Step 2: Convert to fraction form
461,946.24/637,243.20 = 291,885.12/x - Step 3: Cross multiply
461,946.24x = 637,243.20 × 291,885.12 - Step 4: Simplify right side
461,946.24x = 186,001,807,901.18 - Step 5: Solve for x
x = 186,001,807,901.18/461,946.24 - Step 6: Final answer
x = 402,648.17
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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.