Finding the Fourth Proportional to 435,841.84, 654,746.95 and 258,465.20
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Solution
The fourth proportional to 435,841.84, 654,746.95 and 258,465.20 is: 388,281.45
Step by Step Solution
- Step 1: Write the proportion equation
435,841.84 : 654,746.95 = 258,465.20 : x - Step 2: Convert to fraction form
435,841.84/654,746.95 = 258,465.20/x - Step 3: Cross multiply
435,841.84x = 654,746.95 × 258,465.20 - Step 4: Simplify right side
435,841.84x = 169,229,302,501.05 - Step 5: Solve for x
x = 169,229,302,501.05/435,841.84 - Step 6: Final answer
x = 388,281.45
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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.