Finding the Fourth Proportional to 623,808.80, 935,252.40 and 249,639.20
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Solution
The fourth proportional to 623,808.80, 935,252.40 and 249,639.20 is: 374,274.39
Step by Step Solution
- Step 1: Write the proportion equation
623,808.80 : 935,252.40 = 249,639.20 : x - Step 2: Convert to fraction form
623,808.80/935,252.40 = 249,639.20/x - Step 3: Cross multiply
623,808.80x = 935,252.40 × 249,639.20 - Step 4: Simplify right side
623,808.80x = 233,475,660,934.08 - Step 5: Solve for x
x = 233,475,660,934.08/623,808.80 - Step 6: Final answer
x = 374,274.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.