Finding the Fourth Proportional to 420,258.84, 579,958.56 and 229,276.23
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Solution
The fourth proportional to 420,258.84, 579,958.56 and 229,276.23 is: 316,401.94
Step by Step Solution
- Step 1: Write the proportion equation
420,258.84 : 579,958.56 = 229,276.23 : x - Step 2: Convert to fraction form
420,258.84/579,958.56 = 229,276.23/x - Step 3: Cross multiply
420,258.84x = 579,958.56 × 229,276.23 - Step 4: Simplify right side
420,258.84x = 132,970,712,193.03 - Step 5: Solve for x
x = 132,970,712,193.03/420,258.84 - Step 6: Final answer
x = 316,401.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.