Finding the Fourth Proportional to 579,000.24, 868,472.55 and 158,277.06
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Solution
The fourth proportional to 579,000.24, 868,472.55 and 158,277.06 is: 237,407.99
Step by Step Solution
- Step 1: Write the proportion equation
579,000.24 : 868,472.55 = 158,277.06 : x - Step 2: Convert to fraction form
579,000.24/868,472.55 = 158,277.06/x - Step 3: Cross multiply
579,000.24x = 868,472.55 × 158,277.06 - Step 4: Simplify right side
579,000.24x = 137,459,281,904.70 - Step 5: Solve for x
x = 137,459,281,904.70/579,000.24 - Step 6: Final answer
x = 237,407.99
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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.