Finding the Fourth Proportional to 421,848.42, 581,545.35 and 300,779.88
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Solution
The fourth proportional to 421,848.42, 581,545.35 and 300,779.88 is: 414,644.53
Step by Step Solution
- Step 1: Write the proportion equation
421,848.42 : 581,545.35 = 300,779.88 : x - Step 2: Convert to fraction form
421,848.42/581,545.35 = 300,779.88/x - Step 3: Cross multiply
421,848.42x = 581,545.35 × 300,779.88 - Step 4: Simplify right side
421,848.42x = 174,917,140,587.56 - Step 5: Solve for x
x = 174,917,140,587.56/421,848.42 - Step 6: Final answer
x = 414,644.53
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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.