Finding the Fourth Proportional to 316,325.84, 474,490.58 and 129,337.34
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Solution
The fourth proportional to 316,325.84, 474,490.58 and 129,337.34 is: 194,006.75
Step by Step Solution
- Step 1: Write the proportion equation
316,325.84 : 474,490.58 = 129,337.34 : x - Step 2: Convert to fraction form
316,325.84/474,490.58 = 129,337.34/x - Step 3: Cross multiply
316,325.84x = 474,490.58 × 129,337.34 - Step 4: Simplify right side
316,325.84x = 61,369,349,472.26 - Step 5: Solve for x
x = 61,369,349,472.26/316,325.84 - Step 6: Final answer
x = 194,006.75
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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.