Finding the Fourth Proportional to 456,953.14, 630,618.64 and 253,026.63
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Solution
The fourth proportional to 456,953.14, 630,618.64 and 253,026.63 is: 349,189.66
Step by Step Solution
- Step 1: Write the proportion equation
456,953.14 : 630,618.64 = 253,026.63 : x - Step 2: Convert to fraction form
456,953.14/630,618.64 = 253,026.63/x - Step 3: Cross multiply
456,953.14x = 630,618.64 × 253,026.63 - Step 4: Simplify right side
456,953.14x = 159,563,308,661.82 - Step 5: Solve for x
x = 159,563,308,661.82/456,953.14 - Step 6: Final answer
x = 349,189.66
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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.