Finding the Fourth Proportional to 921,871.40, 1,382,970.62 and 282,160.98
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Solution
The fourth proportional to 921,871.40, 1,382,970.62 and 282,160.98 is: 423,291.52
Step by Step Solution
- Step 1: Write the proportion equation
921,871.40 : 1,382,970.62 = 282,160.98 : x - Step 2: Convert to fraction form
921,871.40/1,382,970.62 = 282,160.98/x - Step 3: Cross multiply
921,871.40x = 1,382,970.62 × 282,160.98 - Step 4: Simplify right side
921,871.40x = 390,220,346,155.81 - Step 5: Solve for x
x = 390,220,346,155.81/921,871.40 - Step 6: Final answer
x = 423,291.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.