Finding the Fourth Proportional to 302,774.08, 453,878.72 and 102,957.92
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Solution
The fourth proportional to 302,774.08, 453,878.72 and 102,957.92 is: 154,340.85
Step by Step Solution
- Step 1: Write the proportion equation
302,774.08 : 453,878.72 = 102,957.92 : x - Step 2: Convert to fraction form
302,774.08/453,878.72 = 102,957.92/x - Step 3: Cross multiply
302,774.08x = 453,878.72 × 102,957.92 - Step 4: Simplify right side
302,774.08x = 46,730,408,943.46 - Step 5: Solve for x
x = 46,730,408,943.46/302,774.08 - Step 6: Final answer
x = 154,340.85
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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.