Finding the Fourth Proportional to 438,029.84, 604,482.08 and 236,825.84
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Solution
The fourth proportional to 438,029.84, 604,482.08 and 236,825.84 is: 326,820.14
Step by Step Solution
- Step 1: Write the proportion equation
438,029.84 : 604,482.08 = 236,825.84 : x - Step 2: Convert to fraction form
438,029.84/604,482.08 = 236,825.84/x - Step 3: Cross multiply
438,029.84x = 604,482.08 × 236,825.84 - Step 4: Simplify right side
438,029.84x = 143,156,972,154.41 - Step 5: Solve for x
x = 143,156,972,154.41/438,029.84 - Step 6: Final answer
x = 326,820.14
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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.