Finding the Fourth Proportional to 340,359.08, 469,840.74 and 242,305.52
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Solution
The fourth proportional to 340,359.08, 469,840.74 and 242,305.52 is: 334,484.99
Step by Step Solution
- Step 1: Write the proportion equation
340,359.08 : 469,840.74 = 242,305.52 : x - Step 2: Convert to fraction form
340,359.08/469,840.74 = 242,305.52/x - Step 3: Cross multiply
340,359.08x = 469,840.74 × 242,305.52 - Step 4: Simplify right side
340,359.08x = 113,845,004,822.89 - Step 5: Solve for x
x = 113,845,004,822.89/340,359.08 - Step 6: Final answer
x = 334,484.99
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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.