Finding the Fourth Proportional to 455,886.84, 683,925.30 and 140,328.12
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Solution
The fourth proportional to 455,886.84, 683,925.30 and 140,328.12 is: 210,521.43
Step by Step Solution
- Step 1: Write the proportion equation
455,886.84 : 683,925.30 = 140,328.12 : x - Step 2: Convert to fraction form
455,886.84/683,925.30 = 140,328.12/x - Step 3: Cross multiply
455,886.84x = 683,925.30 × 140,328.12 - Step 4: Simplify right side
455,886.84x = 95,973,951,569.44 - Step 5: Solve for x
x = 95,973,951,569.44/455,886.84 - Step 6: Final answer
x = 210,521.43
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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.